20080290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1553}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 48335616

約数和(自身を除く): 28255326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1553, 2155, 2586, 3106, 4310, 4659, 6465, 7765, 9318, 12930, 15530, 23295, 46590, 669343, 1338686, 2008029, 3346715, 4016058, 6693430, 10040145, 20080290]

約数ペア:

[(1, 20080290), (2, 10040145), (3, 6693430), (5, 4016058), (6, 3346715), (10, 2008029), (15, 1338686), (30, 669343), (431, 46590), (862, 23295), (1293, 15530), (1553, 12930), (2155, 9318), (2586, 7765), (3106, 6465), (4310, 4659)]