20138528

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21701}}^1$

素因数の和:21740

約数の個数: 24

約数和(自身を含む): 41016780

約数和(自身を除く): 20878252

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21701, 43402, 86804, 173608, 347216, 629329, 694432, 1258658, 2517316, 5034632, 10069264, 20138528]

約数ペア:

[(1, 20138528), (2, 10069264), (4, 5034632), (8, 2517316), (16, 1258658), (29, 694432), (32, 629329), (58, 347216), (116, 173608), (232, 86804), (464, 43402), (928, 21701)]