20631348

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1774

約数の個数: 60

約数和(自身を含む): 55424292

約数和(自身を除く): 34792944

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1721, 1998, 2997, 3442, 3996, 5163, 5994, 6884, 10326, 11988, 15489, 20652, 30978, 46467, 61956, 63677, 92934, 127354, 139401, 185868, 191031, 254708, 278802, 382062, 557604, 573093, 764124, 1146186, 1719279, 2292372, 3438558, 5157837, 6877116, 10315674, 20631348]

約数ペア:

[(1, 20631348), (2, 10315674), (3, 6877116), (4, 5157837), (6, 3438558), (9, 2292372), (12, 1719279), (18, 1146186), (27, 764124), (36, 573093), (37, 557604), (54, 382062), (74, 278802), (81, 254708), (108, 191031), (111, 185868), (148, 139401), (162, 127354), (222, 92934), (324, 63677), (333, 61956), (444, 46467), (666, 30978), (999, 20652), (1332, 15489), (1721, 11988), (1998, 10326), (2997, 6884), (3442, 5994), (3996, 5163)]