20730234

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 40

約数和(自身を含む): 48401280

約数和(自身を除く): 27671046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1439, 2058, 2401, 2878, 4317, 4802, 7203, 8634, 10073, 14406, 20146, 30219, 60438, 70511, 141022, 211533, 423066, 493577, 987154, 1480731, 2961462, 3455039, 6910078, 10365117, 20730234]

約数ペア:

[(1, 20730234), (2, 10365117), (3, 6910078), (6, 3455039), (7, 2961462), (14, 1480731), (21, 987154), (42, 493577), (49, 423066), (98, 211533), (147, 141022), (294, 70511), (343, 60438), (686, 30219), (1029, 20146), (1439, 14406), (2058, 10073), (2401, 8634), (2878, 7203), (4317, 4802)]