20163704620

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{774931}}^1$

素因数の和:776241

約数の個数: 24

約数和(自身を含む): 42376381488

約数和(自身を除く): 22212676868

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 774931, 1549862, 3099724, 3874655, 7749310, 15498620, 1008185231, 2016370462, 4032740924, 5040926155, 10081852310, 20163704620]

約数ペア:

[(1, 20163704620), (2, 10081852310), (4, 5040926155), (5, 4032740924), (10, 2016370462), (20, 1008185231), (1301, 15498620), (2602, 7749310), (5204, 3874655), (6505, 3099724), (13010, 1549862), (26020, 774931)]