20220445

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 8533475

約数列:

[1, 5, 7, 35, 71, 79, 103, 355, 395, 497, 515, 553, 721, 2485, 2765, 3605, 5609, 7313, 8137, 28045, 36565, 39263, 40685, 51191, 56959, 196315, 255955, 284795, 577727, 2888635, 4044089, 20220445]

約数ペア:

[(1, 20220445), (5, 4044089), (7, 2888635), (35, 577727), (71, 284795), (79, 255955), (103, 196315), (355, 56959), (395, 51191), (497, 40685), (515, 39263), (553, 36565), (721, 28045), (2485, 8137), (2765, 7313), (3605, 5609)]