20154722780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{727}}^1\times {\mathrm{5153}}^1$

素因数の和:6158

約数の個数: 48

約数和(自身を含む): 42548950080

約数和(自身を除く): 22394227300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 727, 1076, 1345, 1454, 2690, 2908, 3635, 5153, 5380, 7270, 10306, 14540, 20612, 25765, 51530, 103060, 195563, 391126, 782252, 977815, 1386157, 1955630, 2772314, 3746231, 3911260, 5544628, 6930785, 7492462, 13861570, 14984924, 18731155, 27723140, 37462310, 74924620, 1007736139, 2015472278, 4030944556, 5038680695, 10077361390, 20154722780]

約数ペア:

[(1, 20154722780), (2, 10077361390), (4, 5038680695), (5, 4030944556), (10, 2015472278), (20, 1007736139), (269, 74924620), (538, 37462310), (727, 27723140), (1076, 18731155), (1345, 14984924), (1454, 13861570), (2690, 7492462), (2908, 6930785), (3635, 5544628), (5153, 3911260), (5380, 3746231), (7270, 2772314), (10306, 1955630), (14540, 1386157), (20612, 977815), (25765, 782252), (51530, 391126), (103060, 195563)]