20123351625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{133157}}^1$

素因数の和:133219

約数の個数: 64

約数和(自身を含む): 37224585216

約数和(自身を除く): 17101233591

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 125, 155, 195, 325, 375, 403, 465, 775, 975, 1209, 1625, 2015, 2325, 3875, 4875, 6045, 10075, 11625, 30225, 50375, 133157, 151125, 399471, 665785, 1731041, 1997355, 3328925, 4127867, 5193123, 8655205, 9986775, 12383601, 16644625, 20639335, 25965615, 43276025, 49933875, 53662271, 61918005, 103196675, 129828075, 160986813, 216380125, 268311355, 309590025, 515983375, 649140375, 804934065, 1341556775, 1547950125, 4024670325, 6707783875, 20123351625]

約数ペア:

[(1, 20123351625), (3, 6707783875), (5, 4024670325), (13, 1547950125), (15, 1341556775), (25, 804934065), (31, 649140375), (39, 515983375), (65, 309590025), (75, 268311355), (93, 216380125), (125, 160986813), (155, 129828075), (195, 103196675), (325, 61918005), (375, 53662271), (403, 49933875), (465, 43276025), (775, 25965615), (975, 20639335), (1209, 16644625), (1625, 12383601), (2015, 9986775), (2325, 8655205), (3875, 5193123), (4875, 4127867), (6045, 3328925), (10075, 1997355), (11625, 1731041), (30225, 665785), (50375, 399471), (133157, 151125)]