20415040925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{853}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 26762037120

約数和(自身を除く): 6346996195

約数列:

[1, 5, 23, 25, 107, 115, 389, 535, 575, 853, 1945, 2461, 2675, 4265, 8947, 9725, 12305, 19619, 21325, 41623, 44735, 61525, 91271, 98095, 208115, 223675, 331817, 456355, 490475, 957329, 1040575, 1659085, 2099233, 2281775, 4786645, 7631791, 8295425, 10496165, 23933225, 35504419, 38158955, 52480825, 177522095, 190794775, 816601637, 887610475, 4083008185, 20415040925]

約数ペア:

[(1, 20415040925), (5, 4083008185), (23, 887610475), (25, 816601637), (107, 190794775), (115, 177522095), (389, 52480825), (535, 38158955), (575, 35504419), (853, 23933225), (1945, 10496165), (2461, 8295425), (2675, 7631791), (4265, 4786645), (8947, 2281775), (9725, 2099233), (12305, 1659085), (19619, 1040575), (21325, 957329), (41623, 490475), (44735, 456355), (61525, 331817), (91271, 223675), (98095, 208115)]