20353671

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4303

約数の個数: 24

約数和(自身を含む): 32441136

約数和(自身を除く): 12087465

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4243, 4797, 12729, 38187, 55159, 165477, 173963, 496431, 521889, 1565667, 2261519, 6784557, 20353671]

約数ペア:

[(1, 20353671), (3, 6784557), (9, 2261519), (13, 1565667), (39, 521889), (41, 496431), (117, 173963), (123, 165477), (369, 55159), (533, 38187), (1599, 12729), (4243, 4797)]