20357979005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3259}}^1\times {\mathrm{13729}}^1$

素因数の和:17013

約数の個数: 32

約数和(自身を含む): 30078585600

約数和(自身を除く): 9720606595

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 3259, 13729, 16295, 22813, 42367, 68645, 96103, 114065, 178477, 211835, 296569, 480515, 892385, 1249339, 1482845, 6246695, 44742811, 223714055, 313199677, 581656543, 1565998385, 2908282715, 4071595801, 20357979005]

約数ペア:

[(1, 20357979005), (5, 4071595801), (7, 2908282715), (13, 1565998385), (35, 581656543), (65, 313199677), (91, 223714055), (455, 44742811), (3259, 6246695), (13729, 1482845), (16295, 1249339), (22813, 892385), (42367, 480515), (68645, 296569), (96103, 211835), (114065, 178477)]