20215098

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 45527040

約数和(自身を除く): 25311942

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 127, 222, 239, 254, 333, 381, 478, 666, 717, 762, 1143, 1434, 2151, 2286, 4302, 4699, 8843, 9398, 14097, 17686, 26529, 28194, 30353, 42291, 53058, 60706, 79587, 84582, 91059, 159174, 182118, 273177, 546354, 1123061, 2246122, 3369183, 6738366, 10107549, 20215098]

約数ペア:

[(1, 20215098), (2, 10107549), (3, 6738366), (6, 3369183), (9, 2246122), (18, 1123061), (37, 546354), (74, 273177), (111, 182118), (127, 159174), (222, 91059), (239, 84582), (254, 79587), (333, 60706), (381, 53058), (478, 42291), (666, 30353), (717, 28194), (762, 26529), (1143, 17686), (1434, 14097), (2151, 9398), (2286, 8843), (4302, 4699)]