13219420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2153}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 27864144

約数和(自身を除く): 14644724

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 2153, 3070, 4306, 6140, 8612, 10765, 21530, 43060, 660971, 1321942, 2643884, 3304855, 6609710, 13219420]

約数ペア:

[(1, 13219420), (2, 6609710), (4, 3304855), (5, 2643884), (10, 1321942), (20, 660971), (307, 43060), (614, 21530), (1228, 10765), (1535, 8612), (2153, 6140), (3070, 4306)]