20389633

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 22939200

約数和(自身を除く): 2549567

約数列:

[1, 11, 59, 89, 353, 649, 979, 3883, 5251, 20827, 31417, 57761, 229097, 345587, 1853603, 20389633]

約数ペア:

[(1, 20389633), (11, 1853603), (59, 345587), (89, 229097), (353, 57761), (649, 31417), (979, 20827), (3883, 5251)]