20148645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6427}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 37025280

約数和(自身を除く): 16876635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6427, 19281, 32135, 70697, 96405, 122113, 212091, 353485, 366339, 610565, 1060455, 1343243, 1831695, 4029729, 6716215, 20148645]

約数ペア:

[(1, 20148645), (3, 6716215), (5, 4029729), (11, 1831695), (15, 1343243), (19, 1060455), (33, 610565), (55, 366339), (57, 353485), (95, 212091), (165, 122113), (209, 96405), (285, 70697), (627, 32135), (1045, 19281), (3135, 6427)]