20218179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3522331}}^1$

素因数の和:3522388

約数の個数: 48

約数和(自身を含む): 49707149184

約数和(自身を除く): 29488969244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 3522331, 7044662, 14089324, 17611655, 24656317, 35223310, 49312634, 70446620, 98625268, 123281585, 144415571, 246563170, 288831142, 493126340, 577662284, 722077855, 1010908997, 1444155710, 2021817994, 2888311420, 4043635988, 5054544985, 10109089970, 20218179940]

約数ペア:

[(1, 20218179940), (2, 10109089970), (4, 5054544985), (5, 4043635988), (7, 2888311420), (10, 2021817994), (14, 1444155710), (20, 1010908997), (28, 722077855), (35, 577662284), (41, 493126340), (70, 288831142), (82, 246563170), (140, 144415571), (164, 123281585), (205, 98625268), (287, 70446620), (410, 49312634), (574, 35223310), (820, 24656317), (1148, 17611655), (1435, 14089324), (2870, 7044662), (5740, 3522331)]