20346210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 53235000

約数和(自身を除く): 32888790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1249, 1629, 1810, 2498, 2715, 3258, 3747, 5430, 6245, 7494, 8145, 11241, 12490, 16290, 18735, 22482, 37470, 56205, 112410, 226069, 452138, 678207, 1130345, 1356414, 2034621, 2260690, 3391035, 4069242, 6782070, 10173105, 20346210]

約数ペア:

[(1, 20346210), (2, 10173105), (3, 6782070), (5, 4069242), (6, 3391035), (9, 2260690), (10, 2034621), (15, 1356414), (18, 1130345), (30, 678207), (45, 452138), (90, 226069), (181, 112410), (362, 56205), (543, 37470), (905, 22482), (1086, 18735), (1249, 16290), (1629, 12490), (1810, 11241), (2498, 8145), (2715, 7494), (3258, 6245), (3747, 5430)]