20203144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 41328000

約数和(自身を除く): 21124856

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2459, 4108, 4918, 8216, 9836, 19672, 31967, 63934, 127868, 194261, 255736, 388522, 777044, 1554088, 2525393, 5050786, 10101572, 20203144]

約数ペア:

[(1, 20203144), (2, 10101572), (4, 5050786), (8, 2525393), (13, 1554088), (26, 777044), (52, 388522), (79, 255736), (104, 194261), (158, 127868), (316, 63934), (632, 31967), (1027, 19672), (2054, 9836), (2459, 8216), (4108, 4918)]