20157628675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1\times {\mathrm{1259}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 27073267200

約数和(自身を除く): 6915638525

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 911, 925, 1259, 3515, 4555, 6295, 17309, 17575, 22775, 23921, 31475, 33707, 46583, 86545, 119605, 168535, 232915, 432725, 598025, 640433, 842675, 885077, 1146949, 1164575, 3202165, 4425385, 5734745, 16010825, 21792031, 22126925, 28673725, 42437113, 108960155, 212185565, 544800775, 806305147, 1060927825, 4031525735, 20157628675]

約数ペア:

[(1, 20157628675), (5, 4031525735), (19, 1060927825), (25, 806305147), (37, 544800775), (95, 212185565), (185, 108960155), (475, 42437113), (703, 28673725), (911, 22126925), (925, 21792031), (1259, 16010825), (3515, 5734745), (4555, 4425385), (6295, 3202165), (17309, 1164575), (17575, 1146949), (22775, 885077), (23921, 842675), (31475, 640433), (33707, 598025), (46583, 432725), (86545, 232915), (119605, 168535)]