20698843685

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{5233}}^1$

素因数の和:5446

約数の個数: 48

約数和(自身を含む): 27953077248

約数和(自身を除く): 7254233563

約数列:

[1, 5, 13, 31, 65, 151, 155, 169, 403, 755, 845, 1963, 2015, 4681, 5233, 5239, 9815, 23405, 25519, 26165, 26195, 60853, 68029, 127595, 162223, 304265, 340145, 790183, 791089, 811115, 884377, 2108899, 3950915, 3955445, 4421885, 10272379, 10544495, 24495673, 27415687, 51361895, 122478365, 133540927, 137078435, 318443749, 667704635, 1592218745, 4139768737, 20698843685]

約数ペア:

[(1, 20698843685), (5, 4139768737), (13, 1592218745), (31, 667704635), (65, 318443749), (151, 137078435), (155, 133540927), (169, 122478365), (403, 51361895), (755, 27415687), (845, 24495673), (1963, 10544495), (2015, 10272379), (4681, 4421885), (5233, 3955445), (5239, 3950915), (9815, 2108899), (23405, 884377), (25519, 811115), (26165, 791089), (26195, 790183), (60853, 340145), (68029, 304265), (127595, 162223)]