20398279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 23546880

約数和(自身を除く): 3148601

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1459, 13981, 16049, 45229, 59819, 497519, 658009, 1854389, 20398279]

約数ペア:

[(1, 20398279), (11, 1854389), (31, 658009), (41, 497519), (341, 59819), (451, 45229), (1271, 16049), (1459, 13981)]