20185122531791

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1\times {\mathrm{13007}}^1$

素因数の和:13909

約数の個数: 64

約数和(自身を含む): 24299277004800

約数和(自身を除く): 4114154473009

約数列:

[1, 7, 41, 49, 163, 287, 343, 677, 1141, 2009, 4739, 6683, 7987, 13007, 14063, 27757, 33173, 46781, 55909, 91049, 110351, 194299, 232211, 327467, 533287, 637343, 772457, 1360093, 2120141, 2292269, 3733009, 4461401, 4524391, 5407199, 8805739, 9520651, 14840987, 26131063, 31670737, 37850393, 61640173, 86925781, 103886909, 182917441, 221695159, 361035299, 431481211, 608480467, 727208363, 1435335457, 1551866113, 2527247093, 3020368477, 4259363269, 10047348199, 17690729651, 29815542883, 58848753737, 70331437393, 123835107557, 411941276159, 492320061751, 2883588933113, 20185122531791]

約数ペア:

[(1, 20185122531791), (7, 2883588933113), (41, 492320061751), (49, 411941276159), (163, 123835107557), (287, 70331437393), (343, 58848753737), (677, 29815542883), (1141, 17690729651), (2009, 10047348199), (4739, 4259363269), (6683, 3020368477), (7987, 2527247093), (13007, 1551866113), (14063, 1435335457), (27757, 727208363), (33173, 608480467), (46781, 431481211), (55909, 361035299), (91049, 221695159), (110351, 182917441), (194299, 103886909), (232211, 86925781), (327467, 61640173), (533287, 37850393), (637343, 31670737), (772457, 26131063), (1360093, 14840987), (2120141, 9520651), (2292269, 8805739), (3733009, 5407199), (4461401, 4524391)]