20974395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3709}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 37396800

約数和(自身を除く): 16422405

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3709, 5655, 11127, 18545, 48217, 55635, 107561, 144651, 241085, 322683, 537805, 723255, 1398293, 1613415, 4194879, 6991465, 20974395]

約数ペア:

[(1, 20974395), (3, 6991465), (5, 4194879), (13, 1613415), (15, 1398293), (29, 723255), (39, 537805), (65, 322683), (87, 241085), (145, 144651), (195, 107561), (377, 55635), (435, 48217), (1131, 18545), (1885, 11127), (3709, 5655)]