20322484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 45208576

約数和(自身を除く): 24886092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1801, 2821, 3602, 5642, 7204, 11284, 12607, 23413, 25214, 46826, 50428, 55831, 93652, 111662, 163891, 223324, 327782, 390817, 655564, 725803, 781634, 1451606, 1563268, 2903212, 5080621, 10161242, 20322484]

約数ペア:

[(1, 20322484), (2, 10161242), (4, 5080621), (7, 2903212), (13, 1563268), (14, 1451606), (26, 781634), (28, 725803), (31, 655564), (52, 390817), (62, 327782), (91, 223324), (124, 163891), (182, 111662), (217, 93652), (364, 55831), (403, 50428), (434, 46826), (806, 25214), (868, 23413), (1612, 12607), (1801, 11284), (2821, 7204), (3602, 5642)]