20279184

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 34360176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 89, 94, 101, 141, 178, 188, 202, 267, 282, 303, 356, 376, 404, 534, 564, 606, 712, 752, 808, 1068, 1128, 1212, 1424, 1616, 2136, 2256, 2424, 4183, 4272, 4747, 4848, 8366, 8989, 9494, 12549, 14241, 16732, 17978, 18988, 25098, 26967, 28482, 33464, 35956, 37976, 50196, 53934, 56964, 66928, 71912, 75952, 100392, 107868, 113928, 143824, 200784, 215736, 227856, 422483, 431472, 844966, 1267449, 1689932, 2534898, 3379864, 5069796, 6759728, 10139592, 20279184]

約数ペア:

[(1, 20279184), (2, 10139592), (3, 6759728), (4, 5069796), (6, 3379864), (8, 2534898), (12, 1689932), (16, 1267449), (24, 844966), (47, 431472), (48, 422483), (89, 227856), (94, 215736), (101, 200784), (141, 143824), (178, 113928), (188, 107868), (202, 100392), (267, 75952), (282, 71912), (303, 66928), (356, 56964), (376, 53934), (404, 50196), (534, 37976), (564, 35956), (606, 33464), (712, 28482), (752, 26967), (808, 25098), (1068, 18988), (1128, 17978), (1212, 16732), (1424, 14241), (1616, 12549), (2136, 9494), (2256, 8989), (2424, 8366), (4183, 4848), (4272, 4747)]