20084880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1648

約数の個数: 80

約数和(自身を含む): 63478080

約数和(自身を除く): 43393200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1579, 1590, 2120, 2544, 3158, 3180, 4240, 4737, 6316, 6360, 7895, 9474, 12632, 12720, 15790, 18948, 23685, 25264, 31580, 37896, 47370, 63160, 75792, 83687, 94740, 126320, 167374, 189480, 251061, 334748, 378960, 418435, 502122, 669496, 836870, 1004244, 1255305, 1338992, 1673740, 2008488, 2510610, 3347480, 4016976, 5021220, 6694960, 10042440, 20084880]

約数ペア:

[(1, 20084880), (2, 10042440), (3, 6694960), (4, 5021220), (5, 4016976), (6, 3347480), (8, 2510610), (10, 2008488), (12, 1673740), (15, 1338992), (16, 1255305), (20, 1004244), (24, 836870), (30, 669496), (40, 502122), (48, 418435), (53, 378960), (60, 334748), (80, 251061), (106, 189480), (120, 167374), (159, 126320), (212, 94740), (240, 83687), (265, 75792), (318, 63160), (424, 47370), (530, 37896), (636, 31580), (795, 25264), (848, 23685), (1060, 18948), (1272, 15790), (1579, 12720), (1590, 12632), (2120, 9474), (2544, 7895), (3158, 6360), (3180, 6316), (4240, 4737)]