20903976

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1279}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 56908800

約数和(自身を除く): 36004824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1279, 1362, 1816, 2043, 2558, 2724, 3837, 4086, 5116, 5448, 7674, 8172, 10232, 11511, 15348, 16344, 23022, 30696, 46044, 92088, 290333, 580666, 870999, 1161332, 1741998, 2322664, 2612997, 3483996, 5225994, 6967992, 10451988, 20903976]

約数ペア:

[(1, 20903976), (2, 10451988), (3, 6967992), (4, 5225994), (6, 3483996), (8, 2612997), (9, 2322664), (12, 1741998), (18, 1161332), (24, 870999), (36, 580666), (72, 290333), (227, 92088), (454, 46044), (681, 30696), (908, 23022), (1279, 16344), (1362, 15348), (1816, 11511), (2043, 10232), (2558, 8172), (2724, 7674), (3837, 5448), (4086, 5116)]