20349992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{467}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20927608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 467, 838, 934, 1676, 1868, 3352, 3736, 5447, 6071, 10894, 12142, 21788, 24284, 43576, 48568, 195673, 391346, 782692, 1565384, 2543749, 5087498, 10174996, 20349992]

約数ペア:

[(1, 20349992), (2, 10174996), (4, 5087498), (8, 2543749), (13, 1565384), (26, 782692), (52, 391346), (104, 195673), (419, 48568), (467, 43576), (838, 24284), (934, 21788), (1676, 12142), (1868, 10894), (3352, 6071), (3736, 5447)]