20188428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 30991092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1019, 1524, 1651, 2038, 3057, 3302, 4076, 4953, 6114, 6604, 9906, 12228, 13247, 19812, 26494, 39741, 52988, 79482, 129413, 158964, 258826, 388239, 517652, 776478, 1552956, 1682369, 3364738, 5047107, 6729476, 10094214, 20188428]

約数ペア:

[(1, 20188428), (2, 10094214), (3, 6729476), (4, 5047107), (6, 3364738), (12, 1682369), (13, 1552956), (26, 776478), (39, 517652), (52, 388239), (78, 258826), (127, 158964), (156, 129413), (254, 79482), (381, 52988), (508, 39741), (762, 26494), (1019, 19812), (1524, 13247), (1651, 12228), (2038, 9906), (3057, 6604), (3302, 6114), (4076, 4953)]