20546775

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1792

約数の個数: 36

約数和(自身を含む): 37517688

約数和(自身を除く): 16970913

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 1723, 2385, 3975, 5169, 8615, 11925, 15507, 25845, 43075, 77535, 91319, 129225, 273957, 387675, 456595, 821871, 1369785, 2282975, 4109355, 6848925, 20546775]

約数ペア:

[(1, 20546775), (3, 6848925), (5, 4109355), (9, 2282975), (15, 1369785), (25, 821871), (45, 456595), (53, 387675), (75, 273957), (159, 129225), (225, 91319), (265, 77535), (477, 43075), (795, 25845), (1325, 15507), (1723, 11925), (2385, 8615), (3975, 5169)]