20364972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 29131860

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 647, 732, 1294, 1941, 2588, 2623, 3882, 5246, 7764, 7869, 10492, 15738, 27821, 31476, 39467, 55642, 78934, 83463, 111284, 118401, 157868, 166926, 236802, 333852, 473604, 1697081, 3394162, 5091243, 6788324, 10182486, 20364972]

約数ペア:

[(1, 20364972), (2, 10182486), (3, 6788324), (4, 5091243), (6, 3394162), (12, 1697081), (43, 473604), (61, 333852), (86, 236802), (122, 166926), (129, 157868), (172, 118401), (183, 111284), (244, 83463), (258, 78934), (366, 55642), (516, 39467), (647, 31476), (732, 27821), (1294, 15738), (1941, 10492), (2588, 7869), (2623, 7764), (3882, 5246)]