20223975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6271}}^1$

素因数の和:6327

約数の個数: 24

約数和(自身を含む): 34220032

約数和(自身を除く): 13996057

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6271, 18813, 31355, 94065, 156775, 269653, 470325, 808959, 1348265, 4044795, 6741325, 20223975]

約数ペア:

[(1, 20223975), (3, 6741325), (5, 4044795), (15, 1348265), (25, 808959), (43, 470325), (75, 269653), (129, 156775), (215, 94065), (645, 31355), (1075, 18813), (3225, 6271)]