20260656

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 62287680

約数和(自身を除く): 42027024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 79, 104, 117, 137, 144, 156, 158, 208, 234, 237, 274, 312, 316, 411, 468, 474, 548, 624, 632, 711, 822, 936, 948, 1027, 1096, 1233, 1264, 1422, 1644, 1781, 1872, 1896, 2054, 2192, 2466, 2844, 3081, 3288, 3562, 3792, 4108, 4932, 5343, 5688, 6162, 6576, 7124, 8216, 9243, 9864, 10686, 10823, 11376, 12324, 14248, 16029, 16432, 18486, 19728, 21372, 21646, 24648, 28496, 32058, 32469, 36972, 42744, 43292, 49296, 64116, 64938, 73944, 85488, 86584, 97407, 128232, 129876, 140699, 147888, 173168, 194814, 256464, 259752, 281398, 389628, 422097, 519504, 562796, 779256, 844194, 1125592, 1266291, 1558512, 1688388, 2251184, 2532582, 3376776, 5065164, 6753552, 10130328, 20260656]

約数ペア:

[(1, 20260656), (2, 10130328), (3, 6753552), (4, 5065164), (6, 3376776), (8, 2532582), (9, 2251184), (12, 1688388), (13, 1558512), (16, 1266291), (18, 1125592), (24, 844194), (26, 779256), (36, 562796), (39, 519504), (48, 422097), (52, 389628), (72, 281398), (78, 259752), (79, 256464), (104, 194814), (117, 173168), (137, 147888), (144, 140699), (156, 129876), (158, 128232), (208, 97407), (234, 86584), (237, 85488), (274, 73944), (312, 64938), (316, 64116), (411, 49296), (468, 43292), (474, 42744), (548, 36972), (624, 32469), (632, 32058), (711, 28496), (822, 24648), (936, 21646), (948, 21372), (1027, 19728), (1096, 18486), (1233, 16432), (1264, 16029), (1422, 14248), (1644, 12324), (1781, 11376), (1872, 10823), (1896, 10686), (2054, 9864), (2192, 9243), (2466, 8216), (2844, 7124), (3081, 6576), (3288, 6162), (3562, 5688), (3792, 5343), (4108, 4932)]