20505654

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87652

約数の個数: 24

約数和(自身を含む): 47847072

約数和(自身を除く): 27341418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87631, 175262, 262893, 525786, 788679, 1139203, 1577358, 2278406, 3417609, 6835218, 10252827, 20505654]

約数ペア:

[(1, 20505654), (2, 10252827), (3, 6835218), (6, 3417609), (9, 2278406), (13, 1577358), (18, 1139203), (26, 788679), (39, 525786), (78, 262893), (117, 175262), (234, 87631)]