20102971388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{6343}}^1$

素因数の和:6858

約数の個数: 48

約数和(自身を含む): 37004298240

約数和(自身を除く): 16901326852

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 419, 838, 1676, 1891, 3782, 6343, 7564, 12686, 12989, 25372, 25559, 25978, 51118, 51956, 102236, 196633, 386923, 393266, 773846, 786532, 792329, 1547692, 1584658, 2657717, 3169316, 5315434, 10630868, 11994613, 23989226, 47978452, 82389227, 162120737, 164778454, 324241474, 329556908, 648482948, 5025742847, 10051485694, 20102971388]

約数ペア:

[(1, 20102971388), (2, 10051485694), (4, 5025742847), (31, 648482948), (61, 329556908), (62, 324241474), (122, 164778454), (124, 162120737), (244, 82389227), (419, 47978452), (838, 23989226), (1676, 11994613), (1891, 10630868), (3782, 5315434), (6343, 3169316), (7564, 2657717), (12686, 1584658), (12989, 1547692), (25372, 792329), (25559, 786532), (25978, 773846), (51118, 393266), (51956, 386923), (102236, 196633)]