20178440085

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{26681}}^1$

素因数の和:27213

約数の個数: 32

約数和(自身を含む): 32622907392

約数和(自身を除く): 12444467307

約数列:

[1, 3, 5, 15, 127, 381, 397, 635, 1191, 1905, 1985, 5955, 26681, 50419, 80043, 133405, 151257, 252095, 400215, 756285, 3388487, 10165461, 10592357, 16942435, 31777071, 50827305, 52961785, 158885355, 1345229339, 4035688017, 6726146695, 20178440085]

約数ペア:

[(1, 20178440085), (3, 6726146695), (5, 4035688017), (15, 1345229339), (127, 158885355), (381, 52961785), (397, 50827305), (635, 31777071), (1191, 16942435), (1905, 10592357), (1985, 10165461), (5955, 3388487), (26681, 756285), (50419, 400215), (80043, 252095), (133405, 151257)]