20931534

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3313}}^1$

素因数の和:3343

約数の個数: 48

約数和(自身を含む): 50664432

約数和(自身を除く): 29732898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3313, 6318, 6626, 9939, 19878, 29817, 43069, 59634, 86138, 89451, 129207, 178902, 258414, 268353, 387621, 536706, 775242, 805059, 1162863, 1610118, 2325726, 3488589, 6977178, 10465767, 20931534]

約数ペア:

[(1, 20931534), (2, 10465767), (3, 6977178), (6, 3488589), (9, 2325726), (13, 1610118), (18, 1162863), (26, 805059), (27, 775242), (39, 536706), (54, 387621), (78, 268353), (81, 258414), (117, 178902), (162, 129207), (234, 89451), (243, 86138), (351, 59634), (486, 43069), (702, 29817), (1053, 19878), (2106, 9939), (3159, 6626), (3313, 6318)]