20420052

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 49194432

約数和(自身を除く): 28774380

約数列:

[1, 2, 3, 4, 6, 12, 53, 97, 106, 159, 194, 212, 291, 318, 331, 388, 582, 636, 662, 993, 1164, 1324, 1986, 3972, 5141, 10282, 15423, 17543, 20564, 30846, 32107, 35086, 52629, 61692, 64214, 70172, 96321, 105258, 128428, 192642, 210516, 385284, 1701671, 3403342, 5105013, 6806684, 10210026, 20420052]

約数ペア:

[(1, 20420052), (2, 10210026), (3, 6806684), (4, 5105013), (6, 3403342), (12, 1701671), (53, 385284), (97, 210516), (106, 192642), (159, 128428), (194, 105258), (212, 96321), (291, 70172), (318, 64214), (331, 61692), (388, 52629), (582, 35086), (636, 32107), (662, 30846), (993, 20564), (1164, 17543), (1324, 15423), (1986, 10282), (3972, 5141)]