20909016

素因数分解:

$2^3\times 3^4\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 60069240

約数和(自身を除く): 39160224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 246, 324, 328, 369, 492, 648, 738, 787, 984, 1107, 1476, 1574, 2214, 2361, 2952, 3148, 3321, 4428, 4722, 6296, 6642, 7083, 8856, 9444, 13284, 14166, 18888, 21249, 26568, 28332, 32267, 42498, 56664, 63747, 64534, 84996, 96801, 127494, 129068, 169992, 193602, 254988, 258136, 290403, 387204, 509976, 580806, 774408, 871209, 1161612, 1742418, 2323224, 2613627, 3484836, 5227254, 6969672, 10454508, 20909016]

約数ペア:

[(1, 20909016), (2, 10454508), (3, 6969672), (4, 5227254), (6, 3484836), (8, 2613627), (9, 2323224), (12, 1742418), (18, 1161612), (24, 871209), (27, 774408), (36, 580806), (41, 509976), (54, 387204), (72, 290403), (81, 258136), (82, 254988), (108, 193602), (123, 169992), (162, 129068), (164, 127494), (216, 96801), (246, 84996), (324, 64534), (328, 63747), (369, 56664), (492, 42498), (648, 32267), (738, 28332), (787, 26568), (984, 21249), (1107, 18888), (1476, 14166), (1574, 13284), (2214, 9444), (2361, 8856), (2952, 7083), (3148, 6642), (3321, 6296), (4428, 4722)]