20886996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{701}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 31948332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 191, 382, 573, 701, 764, 1146, 1402, 2103, 2292, 2483, 2804, 4206, 4966, 7449, 8412, 9113, 9932, 14898, 18226, 27339, 29796, 36452, 54678, 109356, 133891, 267782, 401673, 535564, 803346, 1606692, 1740583, 3481166, 5221749, 6962332, 10443498, 20886996]

約数ペア:

[(1, 20886996), (2, 10443498), (3, 6962332), (4, 5221749), (6, 3481166), (12, 1740583), (13, 1606692), (26, 803346), (39, 535564), (52, 401673), (78, 267782), (156, 133891), (191, 109356), (382, 54678), (573, 36452), (701, 29796), (764, 27339), (1146, 18226), (1402, 14898), (2103, 9932), (2292, 9113), (2483, 8412), (2804, 7449), (4206, 4966)]