20266188

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 49265664

約数和(自身を除く): 28999476

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 157, 186, 314, 347, 372, 471, 628, 694, 942, 1041, 1388, 1884, 2082, 4164, 4867, 9734, 10757, 14601, 19468, 21514, 29202, 32271, 43028, 54479, 58404, 64542, 108958, 129084, 163437, 217916, 326874, 653748, 1688849, 3377698, 5066547, 6755396, 10133094, 20266188]

約数ペア:

[(1, 20266188), (2, 10133094), (3, 6755396), (4, 5066547), (6, 3377698), (12, 1688849), (31, 653748), (62, 326874), (93, 217916), (124, 163437), (157, 129084), (186, 108958), (314, 64542), (347, 58404), (372, 54479), (471, 43028), (628, 32271), (694, 29202), (942, 21514), (1041, 19468), (1388, 14601), (1884, 10757), (2082, 9734), (4164, 4867)]