20650072

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 19240808

約数列:

[1, 2, 4, 8, 53, 106, 113, 212, 226, 424, 431, 452, 862, 904, 1724, 3448, 5989, 11978, 22843, 23956, 45686, 47912, 48703, 91372, 97406, 182744, 194812, 389624, 2581259, 5162518, 10325036, 20650072]

約数ペア:

[(1, 20650072), (2, 10325036), (4, 5162518), (8, 2581259), (53, 389624), (106, 194812), (113, 182744), (212, 97406), (226, 91372), (424, 48703), (431, 47912), (452, 45686), (862, 23956), (904, 22843), (1724, 11978), (3448, 5989)]