20139605740

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1223}}^1\times {\mathrm{4549}}^1$

素因数の和:5962

約数の個数: 48

約数和(自身を含む): 42570964800

約数和(自身を除く): 22431359060

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1223, 1810, 2446, 3620, 4549, 4892, 6115, 9098, 12230, 18196, 22745, 24460, 45490, 90980, 221363, 442726, 823369, 885452, 1106815, 1646738, 2213630, 3293476, 4116845, 4427260, 5563427, 8233690, 11126854, 16467380, 22253708, 27817135, 55634270, 111268540, 1006980287, 2013960574, 4027921148, 5034901435, 10069802870, 20139605740]

約数ペア:

[(1, 20139605740), (2, 10069802870), (4, 5034901435), (5, 4027921148), (10, 2013960574), (20, 1006980287), (181, 111268540), (362, 55634270), (724, 27817135), (905, 22253708), (1223, 16467380), (1810, 11126854), (2446, 8233690), (3620, 5563427), (4549, 4427260), (4892, 4116845), (6115, 3293476), (9098, 2213630), (12230, 1646738), (18196, 1106815), (22745, 885452), (24460, 823369), (45490, 442726), (90980, 221363)]