20212509628

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{136571011}}^1$

素因数の和:136571052

約数の個数: 12

約数和(自身を含む): 36327889192

約数和(自身を除く): 16115379564

約数列:

[1, 2, 4, 37, 74, 148, 136571011, 273142022, 546284044, 5053127407, 10106254814, 20212509628]

約数ペア:

[(1, 20212509628), (2, 10106254814), (4, 5053127407), (37, 546284044), (74, 273142022), (148, 136571011)]