20347701621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{22697}}^1$

素因数の和:23021

約数の個数: 32

約数和(自身を含む): 29611266048

約数和(自身を除く): 9263564427

約数列:

[1, 3, 13, 39, 127, 181, 381, 543, 1651, 2353, 4953, 7059, 22697, 22987, 68091, 68961, 295061, 298831, 885183, 896493, 2882519, 4108157, 8647557, 12324471, 37472747, 53406041, 112418241, 160218123, 521735939, 1565207817, 6782567207, 20347701621]

約数ペア:

[(1, 20347701621), (3, 6782567207), (13, 1565207817), (39, 521735939), (127, 160218123), (181, 112418241), (381, 53406041), (543, 37472747), (1651, 12324471), (2353, 8647557), (4953, 4108157), (7059, 2882519), (22697, 896493), (22987, 885183), (68091, 298831), (68961, 295061)]