20567415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4071

約数の個数: 32

約数和(自身を含む): 37066752

約数和(自身を除く): 16499337

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4021, 5115, 12063, 20105, 44231, 60315, 124651, 132693, 221155, 373953, 623255, 663465, 1371161, 1869765, 4113483, 6855805, 20567415]

約数ペア:

[(1, 20567415), (3, 6855805), (5, 4113483), (11, 1869765), (15, 1371161), (31, 663465), (33, 623255), (55, 373953), (93, 221155), (155, 132693), (165, 124651), (341, 60315), (465, 44231), (1023, 20105), (1705, 12063), (4021, 5115)]