20375838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 33537762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 79, 89, 126, 138, 158, 161, 178, 207, 237, 267, 322, 414, 474, 483, 534, 553, 623, 711, 801, 966, 1106, 1246, 1422, 1449, 1602, 1659, 1817, 1869, 2047, 2898, 3318, 3634, 3738, 4094, 4977, 5451, 5607, 6141, 7031, 9954, 10902, 11214, 12282, 12719, 14062, 14329, 16353, 18423, 21093, 25438, 28658, 32706, 36846, 38157, 42186, 42987, 49217, 63279, 76314, 85974, 98434, 114471, 126558, 128961, 147651, 161713, 228942, 257922, 295302, 323426, 442953, 485139, 885906, 970278, 1131991, 1455417, 2263982, 2910834, 3395973, 6791946, 10187919, 20375838]

約数ペア:

[(1, 20375838), (2, 10187919), (3, 6791946), (6, 3395973), (7, 2910834), (9, 2263982), (14, 1455417), (18, 1131991), (21, 970278), (23, 885906), (42, 485139), (46, 442953), (63, 323426), (69, 295302), (79, 257922), (89, 228942), (126, 161713), (138, 147651), (158, 128961), (161, 126558), (178, 114471), (207, 98434), (237, 85974), (267, 76314), (322, 63279), (414, 49217), (474, 42987), (483, 42186), (534, 38157), (553, 36846), (623, 32706), (711, 28658), (801, 25438), (966, 21093), (1106, 18423), (1246, 16353), (1422, 14329), (1449, 14062), (1602, 12719), (1659, 12282), (1817, 11214), (1869, 10902), (2047, 9954), (2898, 7031), (3318, 6141), (3634, 5607), (3738, 5451), (4094, 4977)]