20725544

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6983}}^1$

素因数の和:7049

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 24530776

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6983, 13966, 27932, 48881, 55864, 97762, 195524, 370099, 391048, 740198, 1480396, 2590693, 2960792, 5181386, 10362772, 20725544]

約数ペア:

[(1, 20725544), (2, 10362772), (4, 5181386), (7, 2960792), (8, 2590693), (14, 1480396), (28, 740198), (53, 391048), (56, 370099), (106, 195524), (212, 97762), (371, 55864), (424, 48881), (742, 27932), (1484, 13966), (2968, 6983)]