20160488

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19843}}^1$

素因数の和:19976

約数の個数: 16

約数和(自身を含む): 38100480

約数和(自身を除く): 17939992

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19843, 39686, 79372, 158744, 2520061, 5040122, 10080244, 20160488]

約数ペア:

[(1, 20160488), (2, 10080244), (4, 5040122), (8, 2520061), (127, 158744), (254, 79372), (508, 39686), (1016, 19843)]