20472120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 72727200

約数和(自身を除く): 52255080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 73, 76, 82, 90, 95, 114, 120, 123, 146, 152, 164, 171, 180, 190, 205, 219, 228, 246, 285, 292, 328, 342, 360, 365, 369, 380, 410, 438, 456, 492, 570, 584, 615, 657, 684, 730, 738, 760, 779, 820, 855, 876, 984, 1095, 1140, 1230, 1314, 1368, 1387, 1460, 1476, 1558, 1640, 1710, 1752, 1845, 2190, 2280, 2337, 2460, 2628, 2774, 2920, 2952, 2993, 3116, 3285, 3420, 3690, 3895, 4161, 4380, 4674, 4920, 5256, 5548, 5986, 6232, 6570, 6840, 6935, 7011, 7380, 7790, 8322, 8760, 8979, 9348, 11096, 11685, 11972, 12483, 13140, 13870, 14022, 14760, 14965, 15580, 16644, 17958, 18696, 20805, 23370, 23944, 24966, 26280, 26937, 27740, 28044, 29930, 31160, 33288, 35055, 35916, 41610, 44895, 46740, 49932, 53874, 55480, 56088, 56867, 59860, 62415, 70110, 71832, 83220, 89790, 93480, 99864, 107748, 113734, 119720, 124830, 134685, 140220, 166440, 170601, 179580, 215496, 227468, 249660, 269370, 280440, 284335, 341202, 359160, 454936, 499320, 511803, 538740, 568670, 682404, 853005, 1023606, 1077480, 1137340, 1364808, 1706010, 2047212, 2274680, 2559015, 3412020, 4094424, 5118030, 6824040, 10236060, 20472120]

約数ペア:

[(1, 20472120), (2, 10236060), (3, 6824040), (4, 5118030), (5, 4094424), (6, 3412020), (8, 2559015), (9, 2274680), (10, 2047212), (12, 1706010), (15, 1364808), (18, 1137340), (19, 1077480), (20, 1023606), (24, 853005), (30, 682404), (36, 568670), (38, 538740), (40, 511803), (41, 499320), (45, 454936), (57, 359160), (60, 341202), (72, 284335), (73, 280440), (76, 269370), (82, 249660), (90, 227468), (95, 215496), (114, 179580), (120, 170601), (123, 166440), (146, 140220), (152, 134685), (164, 124830), (171, 119720), (180, 113734), (190, 107748), (205, 99864), (219, 93480), (228, 89790), (246, 83220), (285, 71832), (292, 70110), (328, 62415), (342, 59860), (360, 56867), (365, 56088), (369, 55480), (380, 53874), (410, 49932), (438, 46740), (456, 44895), (492, 41610), (570, 35916), (584, 35055), (615, 33288), (657, 31160), (684, 29930), (730, 28044), (738, 27740), (760, 26937), (779, 26280), (820, 24966), (855, 23944), (876, 23370), (984, 20805), (1095, 18696), (1140, 17958), (1230, 16644), (1314, 15580), (1368, 14965), (1387, 14760), (1460, 14022), (1476, 13870), (1558, 13140), (1640, 12483), (1710, 11972), (1752, 11685), (1845, 11096), (2190, 9348), (2280, 8979), (2337, 8760), (2460, 8322), (2628, 7790), (2774, 7380), (2920, 7011), (2952, 6935), (2993, 6840), (3116, 6570), (3285, 6232), (3420, 5986), (3690, 5548), (3895, 5256), (4161, 4920), (4380, 4674)]