20712245

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 5000395

約数列:

[1, 5, 59, 61, 295, 305, 1151, 3599, 5755, 17995, 67909, 70211, 339545, 351055, 4142449, 20712245]

約数ペア:

[(1, 20712245), (5, 4142449), (59, 351055), (61, 339545), (295, 70211), (305, 67909), (1151, 17995), (3599, 5755)]