20672067

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 30881088

約数和(自身を除く): 10209021

約数列:

[1, 3, 13, 39, 53, 73, 137, 159, 219, 411, 689, 949, 1781, 2067, 2847, 3869, 5343, 7261, 10001, 11607, 21783, 30003, 50297, 94393, 130013, 150891, 283179, 390039, 530053, 1590159, 6890689, 20672067]

約数ペア:

[(1, 20672067), (3, 6890689), (13, 1590159), (39, 530053), (53, 390039), (73, 283179), (137, 150891), (159, 130013), (219, 94393), (411, 50297), (689, 30003), (949, 21783), (1781, 11607), (2067, 10001), (2847, 7261), (3869, 5343)]