20918512

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45083}}^1$

素因数の和:45120

約数の個数: 20

約数和(自身を含む): 41928120

約数和(自身を除く): 21009608

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45083, 90166, 180332, 360664, 721328, 1307407, 2614814, 5229628, 10459256, 20918512]

約数ペア:

[(1, 20918512), (2, 10459256), (4, 5229628), (8, 2614814), (16, 1307407), (29, 721328), (58, 360664), (116, 180332), (232, 90166), (464, 45083)]