20667824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41669}}^1$

素因数の和:41708

約数の個数: 20

約数和(自身を含む): 41336640

約数和(自身を除く): 20668816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41669, 83338, 166676, 333352, 666704, 1291739, 2583478, 5166956, 10333912, 20667824]

約数ペア:

[(1, 20667824), (2, 10333912), (4, 5166956), (8, 2583478), (16, 1291739), (31, 666704), (62, 333352), (124, 166676), (248, 83338), (496, 41669)]