20512073452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{539621}}^1$

素因数の和:539698

約数の個数: 48

約数和(自身を含む): 41883301152

約数和(自身を除く): 21371227700

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 2236, 2924, 9503, 19006, 38012, 539621, 1079242, 2158484, 7015073, 9173557, 14030146, 18347114, 23203703, 28060292, 36694228, 46407406, 92814812, 119256241, 238512482, 301648139, 394462951, 477024964, 603296278, 788925902, 1206592556, 1577851804, 5128018363, 10256036726, 20512073452]

約数ペア:

[(1, 20512073452), (2, 10256036726), (4, 5128018363), (13, 1577851804), (17, 1206592556), (26, 788925902), (34, 603296278), (43, 477024964), (52, 394462951), (68, 301648139), (86, 238512482), (172, 119256241), (221, 92814812), (442, 46407406), (559, 36694228), (731, 28060292), (884, 23203703), (1118, 18347114), (1462, 14030146), (2236, 9173557), (2924, 7015073), (9503, 2158484), (19006, 1079242), (38012, 539621)]