20140576

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 21469664

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 257, 316, 496, 514, 632, 992, 1028, 1264, 2056, 2449, 2528, 4112, 4898, 7967, 8224, 9796, 15934, 19592, 20303, 31868, 39184, 40606, 63736, 78368, 81212, 127472, 162424, 254944, 324848, 629393, 649696, 1258786, 2517572, 5035144, 10070288, 20140576]

約数ペア:

[(1, 20140576), (2, 10070288), (4, 5035144), (8, 2517572), (16, 1258786), (31, 649696), (32, 629393), (62, 324848), (79, 254944), (124, 162424), (158, 127472), (248, 81212), (257, 78368), (316, 63736), (496, 40606), (514, 39184), (632, 31868), (992, 20303), (1028, 19592), (1264, 15934), (2056, 9796), (2449, 8224), (2528, 7967), (4112, 4898)]