20492478

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4201}}^1$

素因数の和:4480

約数の個数: 24

約数和(自身を含む): 44574816

約数和(自身を除く): 24082338

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4201, 4878, 8402, 12603, 25206, 37809, 75618, 1138471, 2276942, 3415413, 6830826, 10246239, 20492478]

約数ペア:

[(1, 20492478), (2, 10246239), (3, 6830826), (6, 3415413), (9, 2276942), (18, 1138471), (271, 75618), (542, 37809), (813, 25206), (1626, 12603), (2439, 8402), (4201, 4878)]