20661240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 41754120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1031, 1336, 1670, 2004, 2062, 2505, 3093, 3340, 4008, 4124, 5010, 5155, 6186, 6680, 8248, 10020, 10310, 12372, 15465, 20040, 20620, 24744, 30930, 41240, 61860, 123720, 172177, 344354, 516531, 688708, 860885, 1033062, 1377416, 1721770, 2066124, 2582655, 3443540, 4132248, 5165310, 6887080, 10330620, 20661240]

約数ペア:

[(1, 20661240), (2, 10330620), (3, 6887080), (4, 5165310), (5, 4132248), (6, 3443540), (8, 2582655), (10, 2066124), (12, 1721770), (15, 1377416), (20, 1033062), (24, 860885), (30, 688708), (40, 516531), (60, 344354), (120, 172177), (167, 123720), (334, 61860), (501, 41240), (668, 30930), (835, 24744), (1002, 20620), (1031, 20040), (1336, 15465), (1670, 12372), (2004, 10310), (2062, 10020), (2505, 8248), (3093, 6680), (3340, 6186), (4008, 5155), (4124, 5010)]