20520660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2693}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 57931776

約数和(自身を除く): 37411116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2693, 3810, 5386, 7620, 8079, 10772, 13465, 16158, 26930, 32316, 40395, 53860, 80790, 161580, 342011, 684022, 1026033, 1368044, 1710055, 2052066, 3420110, 4104132, 5130165, 6840220, 10260330, 20520660]

約数ペア:

[(1, 20520660), (2, 10260330), (3, 6840220), (4, 5130165), (5, 4104132), (6, 3420110), (10, 2052066), (12, 1710055), (15, 1368044), (20, 1026033), (30, 684022), (60, 342011), (127, 161580), (254, 80790), (381, 53860), (508, 40395), (635, 32316), (762, 26930), (1270, 16158), (1524, 13465), (1905, 10772), (2540, 8079), (2693, 7620), (3810, 5386)]