20156986087

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{971}}^1\times {\mathrm{10333}}^1$

素因数の和:11359

約数の個数: 24

約数和(自身を含む): 24046887312

約数和(自身を除く): 3889901225

約数列:

[1, 7, 41, 49, 287, 971, 2009, 6797, 10333, 39811, 47579, 72331, 278677, 423653, 506317, 1950739, 2965571, 10033343, 20758997, 70233401, 411367063, 491633807, 2879569441, 20156986087]

約数ペア:

[(1, 20156986087), (7, 2879569441), (41, 491633807), (49, 411367063), (287, 70233401), (971, 20758997), (2009, 10033343), (6797, 2965571), (10333, 1950739), (39811, 506317), (47579, 423653), (72331, 278677)]