20379472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 21403568

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 701, 1264, 1402, 1817, 2804, 3634, 5608, 7268, 11216, 14536, 16123, 29072, 32246, 55379, 64492, 110758, 128984, 221516, 257968, 443032, 886064, 1273717, 2547434, 5094868, 10189736, 20379472]

約数ペア:

[(1, 20379472), (2, 10189736), (4, 5094868), (8, 2547434), (16, 1273717), (23, 886064), (46, 443032), (79, 257968), (92, 221516), (158, 128984), (184, 110758), (316, 64492), (368, 55379), (632, 32246), (701, 29072), (1264, 16123), (1402, 14536), (1817, 11216), (2804, 7268), (3634, 5608)]