2020128747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{11437}}^1$

素因数の和:12107

約数の個数: 32

約数和(自身を含む): 3320497152

約数和(自身を除く): 1300368405

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 647, 1941, 4529, 8411, 11437, 13587, 25233, 34311, 58877, 80059, 148681, 176631, 240177, 446043, 1040767, 3122301, 7399739, 22199217, 51798173, 96196607, 155394519, 288589821, 673376249, 2020128747]

約数ペア:

[(1, 2020128747), (3, 673376249), (7, 288589821), (13, 155394519), (21, 96196607), (39, 51798173), (91, 22199217), (273, 7399739), (647, 3122301), (1941, 1040767), (4529, 446043), (8411, 240177), (11437, 176631), (13587, 148681), (25233, 80059), (34311, 58877)]