20210645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 30573312

約数和(自身を除く): 10362667

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1033, 1505, 2795, 3913, 5165, 7231, 13429, 19565, 36155, 44419, 67145, 94003, 222095, 310933, 470015, 577447, 1554665, 2887235, 4042129, 20210645]

約数ペア:

[(1, 20210645), (5, 4042129), (7, 2887235), (13, 1554665), (35, 577447), (43, 470015), (65, 310933), (91, 222095), (215, 94003), (301, 67145), (455, 44419), (559, 36155), (1033, 19565), (1505, 13429), (2795, 7231), (3913, 5165)]