20859867840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{39293}}^1$

素因数の和:39399

約数の個数: 224

約数和(自身を含む): 76651591680

約数和(自身を除く): 55791723840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 192, 210, 224, 237, 240, 280, 316, 320, 336, 395, 420, 448, 474, 480, 553, 560, 632, 672, 790, 840, 948, 960, 1106, 1120, 1185, 1264, 1344, 1580, 1659, 1680, 1896, 2212, 2240, 2370, 2528, 2765, 3160, 3318, 3360, 3792, 4424, 4740, 5056, 5530, 6320, 6636, 6720, 7584, 8295, 8848, 9480, 11060, 12640, 13272, 15168, 16590, 17696, 18960, 22120, 25280, 26544, 33180, 35392, 37920, 39293, 44240, 53088, 66360, 75840, 78586, 88480, 106176, 117879, 132720, 157172, 176960, 196465, 235758, 265440, 275051, 314344, 392930, 471516, 530880, 550102, 589395, 628688, 785860, 825153, 943032, 1100204, 1178790, 1257376, 1375255, 1571720, 1650306, 1886064, 2200408, 2357580, 2514752, 2750510, 3104147, 3143440, 3300612, 3772128, 4125765, 4400816, 4715160, 5501020, 6208294, 6286880, 6601224, 7544256, 8251530, 8801632, 9312441, 9430320, 11002040, 12416588, 12573760, 13202448, 15520735, 16503060, 17603264, 18624882, 18860640, 21729029, 22004080, 24833176, 26404896, 31041470, 33006120, 37249764, 37721280, 43458058, 44008160, 46562205, 49666352, 52809792, 62082940, 65187087, 66012240, 74499528, 86916116, 88016320, 93124410, 99332704, 108645145, 124165880, 130374174, 132024480, 148999056, 173832232, 186248820, 198665408, 217290290, 248331760, 260748348, 264048960, 297998112, 325935435, 347664464, 372497640, 434580580, 496663520, 521496696, 595996224, 651870870, 695328928, 744995280, 869161160, 993327040, 1042993392, 1303741740, 1390657856, 1489990560, 1738322320, 2085986784, 2607483480, 2979981120, 3476644640, 4171973568, 5214966960, 6953289280, 10429933920, 20859867840]

約数ペア:

[(1, 20859867840), (2, 10429933920), (3, 6953289280), (4, 5214966960), (5, 4171973568), (6, 3476644640), (7, 2979981120), (8, 2607483480), (10, 2085986784), (12, 1738322320), (14, 1489990560), (15, 1390657856), (16, 1303741740), (20, 1042993392), (21, 993327040), (24, 869161160), (28, 744995280), (30, 695328928), (32, 651870870), (35, 595996224), (40, 521496696), (42, 496663520), (48, 434580580), (56, 372497640), (60, 347664464), (64, 325935435), (70, 297998112), (79, 264048960), (80, 260748348), (84, 248331760), (96, 217290290), (105, 198665408), (112, 186248820), (120, 173832232), (140, 148999056), (158, 132024480), (160, 130374174), (168, 124165880), (192, 108645145), (210, 99332704), (224, 93124410), (237, 88016320), (240, 86916116), (280, 74499528), (316, 66012240), (320, 65187087), (336, 62082940), (395, 52809792), (420, 49666352), (448, 46562205), (474, 44008160), (480, 43458058), (553, 37721280), (560, 37249764), (632, 33006120), (672, 31041470), (790, 26404896), (840, 24833176), (948, 22004080), (960, 21729029), (1106, 18860640), (1120, 18624882), (1185, 17603264), (1264, 16503060), (1344, 15520735), (1580, 13202448), (1659, 12573760), (1680, 12416588), (1896, 11002040), (2212, 9430320), (2240, 9312441), (2370, 8801632), (2528, 8251530), (2765, 7544256), (3160, 6601224), (3318, 6286880), (3360, 6208294), (3792, 5501020), (4424, 4715160), (4740, 4400816), (5056, 4125765), (5530, 3772128), (6320, 3300612), (6636, 3143440), (6720, 3104147), (7584, 2750510), (8295, 2514752), (8848, 2357580), (9480, 2200408), (11060, 1886064), (12640, 1650306), (13272, 1571720), (15168, 1375255), (16590, 1257376), (17696, 1178790), (18960, 1100204), (22120, 943032), (25280, 825153), (26544, 785860), (33180, 628688), (35392, 589395), (37920, 550102), (39293, 530880), (44240, 471516), (53088, 392930), (66360, 314344), (75840, 275051), (78586, 265440), (88480, 235758), (106176, 196465), (117879, 176960), (132720, 157172)]