20131804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 44303616

約数和(自身を除く): 24171812

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 163, 308, 326, 401, 652, 802, 1141, 1604, 1793, 2282, 2807, 3586, 4411, 4564, 5614, 7172, 8822, 11228, 12551, 17644, 25102, 30877, 50204, 61754, 65363, 123508, 130726, 261452, 457541, 718993, 915082, 1437986, 1830164, 2875972, 5032951, 10065902, 20131804]

約数ペア:

[(1, 20131804), (2, 10065902), (4, 5032951), (7, 2875972), (11, 1830164), (14, 1437986), (22, 915082), (28, 718993), (44, 457541), (77, 261452), (154, 130726), (163, 123508), (308, 65363), (326, 61754), (401, 50204), (652, 30877), (802, 25102), (1141, 17644), (1604, 12551), (1793, 11228), (2282, 8822), (2807, 7172), (3586, 5614), (4411, 4564)]