920180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 1952160

約数和(自身を除く): 1031980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 331, 556, 662, 695, 1324, 1390, 1655, 2780, 3310, 6620, 46009, 92018, 184036, 230045, 460090, 920180]

約数ペア:

[(1, 920180), (2, 460090), (4, 230045), (5, 184036), (10, 92018), (20, 46009), (139, 6620), (278, 3310), (331, 2780), (556, 1655), (662, 1390), (695, 1324)]