20582240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 62705664

約数和(自身を除く): 42123424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 47, 56, 68, 70, 80, 85, 92, 94, 112, 115, 119, 136, 140, 160, 161, 170, 184, 188, 224, 230, 235, 238, 272, 280, 322, 329, 340, 368, 376, 391, 460, 470, 476, 544, 560, 595, 644, 658, 680, 736, 752, 782, 799, 805, 920, 940, 952, 1081, 1120, 1190, 1288, 1316, 1360, 1504, 1564, 1598, 1610, 1645, 1840, 1880, 1904, 1955, 2162, 2380, 2576, 2632, 2720, 2737, 3128, 3196, 3220, 3290, 3680, 3760, 3808, 3910, 3995, 4324, 4760, 5152, 5264, 5405, 5474, 5593, 6256, 6392, 6440, 6580, 7520, 7567, 7820, 7990, 8648, 9520, 10528, 10810, 10948, 11186, 12512, 12784, 12880, 13160, 13685, 15134, 15640, 15980, 17296, 18377, 19040, 21620, 21896, 22372, 25568, 25760, 26320, 27370, 27965, 30268, 31280, 31960, 34592, 36754, 37835, 43240, 43792, 44744, 52640, 54740, 55930, 60536, 62560, 63920, 73508, 75670, 86480, 87584, 89488, 91885, 109480, 111860, 121072, 127840, 128639, 147016, 151340, 172960, 178976, 183770, 218960, 223720, 242144, 257278, 294032, 302680, 367540, 437920, 447440, 514556, 588064, 605360, 643195, 735080, 894880, 1029112, 1210720, 1286390, 1470160, 2058224, 2572780, 2940320, 4116448, 5145560, 10291120, 20582240]

約数ペア:

[(1, 20582240), (2, 10291120), (4, 5145560), (5, 4116448), (7, 2940320), (8, 2572780), (10, 2058224), (14, 1470160), (16, 1286390), (17, 1210720), (20, 1029112), (23, 894880), (28, 735080), (32, 643195), (34, 605360), (35, 588064), (40, 514556), (46, 447440), (47, 437920), (56, 367540), (68, 302680), (70, 294032), (80, 257278), (85, 242144), (92, 223720), (94, 218960), (112, 183770), (115, 178976), (119, 172960), (136, 151340), (140, 147016), (160, 128639), (161, 127840), (170, 121072), (184, 111860), (188, 109480), (224, 91885), (230, 89488), (235, 87584), (238, 86480), (272, 75670), (280, 73508), (322, 63920), (329, 62560), (340, 60536), (368, 55930), (376, 54740), (391, 52640), (460, 44744), (470, 43792), (476, 43240), (544, 37835), (560, 36754), (595, 34592), (644, 31960), (658, 31280), (680, 30268), (736, 27965), (752, 27370), (782, 26320), (799, 25760), (805, 25568), (920, 22372), (940, 21896), (952, 21620), (1081, 19040), (1120, 18377), (1190, 17296), (1288, 15980), (1316, 15640), (1360, 15134), (1504, 13685), (1564, 13160), (1598, 12880), (1610, 12784), (1645, 12512), (1840, 11186), (1880, 10948), (1904, 10810), (1955, 10528), (2162, 9520), (2380, 8648), (2576, 7990), (2632, 7820), (2720, 7567), (2737, 7520), (3128, 6580), (3196, 6440), (3220, 6392), (3290, 6256), (3680, 5593), (3760, 5474), (3808, 5405), (3910, 5264), (3995, 5152), (4324, 4760)]