20411212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 37548000

約数和(自身を除く): 17136788

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1489, 2978, 3427, 5956, 6854, 13708, 34247, 68494, 136988, 221861, 443722, 887444, 5102803, 10205606, 20411212]

約数ペア:

[(1, 20411212), (2, 10205606), (4, 5102803), (23, 887444), (46, 443722), (92, 221861), (149, 136988), (298, 68494), (596, 34247), (1489, 13708), (2978, 6854), (3427, 5956)]