20456404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 37184000

約数和(自身を除く): 16727596

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 796, 829, 1658, 3316, 6169, 12338, 24676, 25699, 51398, 102796, 164971, 329942, 659884, 5114101, 10228202, 20456404]

約数ペア:

[(1, 20456404), (2, 10228202), (4, 5114101), (31, 659884), (62, 329942), (124, 164971), (199, 102796), (398, 51398), (796, 25699), (829, 24676), (1658, 12338), (3316, 6169)]