20816808

素因数分解:

$2^3\times 3^1\times {\mathrm{227}}^1\times {\mathrm{3821}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 31468152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 227, 454, 681, 908, 1362, 1816, 2724, 3821, 5448, 7642, 11463, 15284, 22926, 30568, 45852, 91704, 867367, 1734734, 2602101, 3469468, 5204202, 6938936, 10408404, 20816808]

約数ペア:

[(1, 20816808), (2, 10408404), (3, 6938936), (4, 5204202), (6, 3469468), (8, 2602101), (12, 1734734), (24, 867367), (227, 91704), (454, 45852), (681, 30568), (908, 22926), (1362, 15284), (1816, 11463), (2724, 7642), (3821, 5448)]