20123649

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24571}}^1$

素因数の和:24597

約数の個数: 24

約数和(自身を含む): 35776832

約数和(自身を除く): 15653183

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24571, 73713, 171997, 221139, 319423, 515991, 958269, 1547973, 2235961, 2874807, 6707883, 20123649]

約数ペア:

[(1, 20123649), (3, 6707883), (7, 2874807), (9, 2235961), (13, 1547973), (21, 958269), (39, 515991), (63, 319423), (91, 221139), (117, 171997), (273, 73713), (819, 24571)]