20172959845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{18313}}^1$

素因数の和:18525

約数の個数: 32

約数和(自身を含む): 25633739520

約数和(自身を除く): 5460779675

約数列:

[1, 5, 29, 71, 107, 145, 355, 535, 2059, 3103, 7597, 10295, 15515, 18313, 37985, 91565, 220313, 531077, 1101565, 1300223, 1959491, 2655385, 6501115, 9797455, 37706467, 56825239, 139123861, 188532335, 284126195, 695619305, 4034591969, 20172959845]

約数ペア:

[(1, 20172959845), (5, 4034591969), (29, 695619305), (71, 284126195), (107, 188532335), (145, 139123861), (355, 56825239), (535, 37706467), (2059, 9797455), (3103, 6501115), (7597, 2655385), (10295, 1959491), (15515, 1300223), (18313, 1101565), (37985, 531077), (91565, 220313)]