20820928

素因数分解:

$2^6\times {\mathrm{113}}^1\times {\mathrm{2879}}^1$

素因数の和:3004

約数の個数: 28

約数和(自身を含む): 41696640

約数和(自身を除く): 20875712

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 226, 452, 904, 1808, 2879, 3616, 5758, 7232, 11516, 23032, 46064, 92128, 184256, 325327, 650654, 1301308, 2602616, 5205232, 10410464, 20820928]

約数ペア:

[(1, 20820928), (2, 10410464), (4, 5205232), (8, 2602616), (16, 1301308), (32, 650654), (64, 325327), (113, 184256), (226, 92128), (452, 46064), (904, 23032), (1808, 11516), (2879, 7232), (3616, 5758)]