20911740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2087}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 38019972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2087, 2505, 3340, 4174, 5010, 6261, 8348, 10020, 10435, 12522, 20870, 25044, 31305, 41740, 62610, 125220, 348529, 697058, 1045587, 1394116, 1742645, 2091174, 3485290, 4182348, 5227935, 6970580, 10455870, 20911740]

約数ペア:

[(1, 20911740), (2, 10455870), (3, 6970580), (4, 5227935), (5, 4182348), (6, 3485290), (10, 2091174), (12, 1742645), (15, 1394116), (20, 1045587), (30, 697058), (60, 348529), (167, 125220), (334, 62610), (501, 41740), (668, 31305), (835, 25044), (1002, 20870), (1670, 12522), (2004, 10435), (2087, 10020), (2505, 8348), (3340, 6261), (4174, 5010)]