20120693649

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{999091}}^1$

素因数の和:999245

約数の個数: 24

約数和(自身を含む): 31435430688

約数和(自身を除く): 11314737039

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139, 999091, 2997273, 6993637, 20980911, 48955459, 136875467, 146866377, 410626401, 958128269, 2874384807, 6706897883, 20120693649]

約数ペア:

[(1, 20120693649), (3, 6706897883), (7, 2874384807), (21, 958128269), (49, 410626401), (137, 146866377), (147, 136875467), (411, 48955459), (959, 20980911), (2877, 6993637), (6713, 2997273), (20139, 999091)]