20675664

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2143}}^1$

素因数の和:2224

約数の個数: 60

約数和(自身を含む): 58754176

約数和(自身を除く): 38078512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2143, 2412, 3216, 4286, 4824, 6429, 8572, 9648, 12858, 17144, 19287, 25716, 34288, 38574, 51432, 77148, 102864, 143581, 154296, 287162, 308592, 430743, 574324, 861486, 1148648, 1292229, 1722972, 2297296, 2584458, 3445944, 5168916, 6891888, 10337832, 20675664]

約数ペア:

[(1, 20675664), (2, 10337832), (3, 6891888), (4, 5168916), (6, 3445944), (8, 2584458), (9, 2297296), (12, 1722972), (16, 1292229), (18, 1148648), (24, 861486), (36, 574324), (48, 430743), (67, 308592), (72, 287162), (134, 154296), (144, 143581), (201, 102864), (268, 77148), (402, 51432), (536, 38574), (603, 34288), (804, 25716), (1072, 19287), (1206, 17144), (1608, 12858), (2143, 9648), (2412, 8572), (3216, 6429), (4286, 4824)]