20558940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1237}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 57819552

約数和(自身を除く): 37260612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1237, 1385, 1662, 2474, 2770, 3324, 3711, 4155, 4948, 5540, 6185, 7422, 8310, 12370, 14844, 16620, 18555, 24740, 37110, 74220, 342649, 685298, 1027947, 1370596, 1713245, 2055894, 3426490, 4111788, 5139735, 6852980, 10279470, 20558940]

約数ペア:

[(1, 20558940), (2, 10279470), (3, 6852980), (4, 5139735), (5, 4111788), (6, 3426490), (10, 2055894), (12, 1713245), (15, 1370596), (20, 1027947), (30, 685298), (60, 342649), (277, 74220), (554, 37110), (831, 24740), (1108, 18555), (1237, 16620), (1385, 14844), (1662, 12370), (2474, 8310), (2770, 7422), (3324, 6185), (3711, 5540), (4155, 4948)]