20821428

素因数分解:

$2^2\times 3^3\times {\mathrm{192791}}^1$

素因数の和:192804

約数の個数: 24

約数和(自身を含む): 53981760

約数和(自身を除く): 33160332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 192791, 385582, 578373, 771164, 1156746, 1735119, 2313492, 3470238, 5205357, 6940476, 10410714, 20821428]

約数ペア:

[(1, 20821428), (2, 10410714), (3, 6940476), (4, 5205357), (6, 3470238), (9, 2313492), (12, 1735119), (18, 1156746), (27, 771164), (36, 578373), (54, 385582), (108, 192791)]