20888516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11579}}^1$

素因数の和:11635

約数の個数: 24

約数和(自身を含む): 40854240

約数和(自身を除く): 19965724

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11579, 23158, 46316, 127369, 254738, 474739, 509476, 949478, 1898956, 5222129, 10444258, 20888516]

約数ペア:

[(1, 20888516), (2, 10444258), (4, 5222129), (11, 1898956), (22, 949478), (41, 509476), (44, 474739), (82, 254738), (164, 127369), (451, 46316), (902, 23158), (1804, 11579)]