20455461

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 11518299

約数列:

[1, 3, 9, 13, 39, 117, 359, 487, 1077, 1461, 3231, 4383, 4667, 6331, 14001, 18993, 42003, 56979, 174833, 524499, 1573497, 2272829, 6818487, 20455461]

約数ペア:

[(1, 20455461), (3, 6818487), (9, 2272829), (13, 1573497), (39, 524499), (117, 174833), (359, 56979), (487, 42003), (1077, 18993), (1461, 14001), (3231, 6331), (4383, 4667)]