20686551873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{49009}}^1$

素因数の和:49241

約数の個数: 32

約数和(自身を含む): 30299942400

約数和(自身を除く): 9613390527

約数列:

[1, 3, 13, 39, 79, 137, 237, 411, 1027, 1781, 3081, 5343, 10823, 32469, 49009, 140699, 147027, 422097, 637117, 1911351, 3871711, 6714233, 11615133, 20142699, 50332243, 87285029, 150996729, 261855087, 530424407, 1591273221, 6895517291, 20686551873]

約数ペア:

[(1, 20686551873), (3, 6895517291), (13, 1591273221), (39, 530424407), (79, 261855087), (137, 150996729), (237, 87285029), (411, 50332243), (1027, 20142699), (1781, 11615133), (3081, 6714233), (5343, 3871711), (10823, 1911351), (32469, 637117), (49009, 422097), (140699, 147027)]