20235550428

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2207}}^1\times {\mathrm{5923}}^1$

素因数の和:8183

約数の個数: 72

約数和(自身を含む): 52373088768

約数和(自身を除く): 32137538340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 2207, 4414, 5923, 6621, 8828, 11846, 13242, 17769, 19863, 23692, 26484, 35538, 39726, 53307, 71076, 79452, 94901, 106614, 189802, 213228, 254689, 284703, 379604, 509378, 569406, 764067, 854109, 1018756, 1138812, 1528134, 1708218, 2292201, 3056268, 3416436, 4584402, 9168804, 13072061, 26144122, 39216183, 52288244, 78432366, 117648549, 156864732, 235297098, 470594196, 562098623, 1124197246, 1686295869, 2248394492, 3372591738, 5058887607, 6745183476, 10117775214, 20235550428]

約数ペア:

[(1, 20235550428), (2, 10117775214), (3, 6745183476), (4, 5058887607), (6, 3372591738), (9, 2248394492), (12, 1686295869), (18, 1124197246), (36, 562098623), (43, 470594196), (86, 235297098), (129, 156864732), (172, 117648549), (258, 78432366), (387, 52288244), (516, 39216183), (774, 26144122), (1548, 13072061), (2207, 9168804), (4414, 4584402), (5923, 3416436), (6621, 3056268), (8828, 2292201), (11846, 1708218), (13242, 1528134), (17769, 1138812), (19863, 1018756), (23692, 854109), (26484, 764067), (35538, 569406), (39726, 509378), (53307, 379604), (71076, 284703), (79452, 254689), (94901, 213228), (106614, 189802)]