20722796625

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{2243}}^1$

素因数の和:2679

約数の個数: 64

約数和(自身を含む): 35084814336

約数和(自身を除く): 14362017711

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 347, 355, 375, 1041, 1065, 1735, 1775, 2243, 5205, 5325, 6729, 8675, 8875, 11215, 24637, 26025, 26625, 33645, 43375, 56075, 73911, 123185, 130125, 159253, 168225, 280375, 369555, 477759, 615925, 778321, 796265, 841125, 1847775, 2334963, 2388795, 3079625, 3891605, 3981325, 9238875, 11674815, 11943975, 19458025, 19906625, 55260791, 58374075, 59719875, 97290125, 165782373, 276303955, 291870375, 828911865, 1381519775, 4144559325, 6907598875, 20722796625]

約数ペア:

[(1, 20722796625), (3, 6907598875), (5, 4144559325), (15, 1381519775), (25, 828911865), (71, 291870375), (75, 276303955), (125, 165782373), (213, 97290125), (347, 59719875), (355, 58374075), (375, 55260791), (1041, 19906625), (1065, 19458025), (1735, 11943975), (1775, 11674815), (2243, 9238875), (5205, 3981325), (5325, 3891605), (6729, 3079625), (8675, 2388795), (8875, 2334963), (11215, 1847775), (24637, 841125), (26025, 796265), (26625, 778321), (33645, 615925), (43375, 477759), (56075, 369555), (73911, 280375), (123185, 168225), (130125, 159253)]