20163762087

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{120671}}^1$

素因数の和:120863

約数の個数: 32

約数和(自身を含む): 31432642560

約数和(自身を除く): 11268880473

約数列:

[1, 3, 7, 21, 73, 109, 219, 327, 511, 763, 1533, 2289, 7957, 23871, 55699, 120671, 167097, 362013, 844697, 2534091, 8808983, 13153139, 26426949, 39459417, 61662881, 92071973, 184988643, 276215919, 960179147, 2880537441, 6721254029, 20163762087]

約数ペア:

[(1, 20163762087), (3, 6721254029), (7, 2880537441), (21, 960179147), (73, 276215919), (109, 184988643), (219, 92071973), (327, 61662881), (511, 39459417), (763, 26426949), (1533, 13153139), (2289, 8808983), (7957, 2534091), (23871, 844697), (55699, 362013), (120671, 167097)]