20172872706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{1187}}^1$

素因数の和:1536

約数の個数: 128

約数和(自身を含む): 49016918016

約数和(自身を除く): 28844045310

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 73, 138, 146, 161, 219, 241, 322, 438, 482, 483, 511, 723, 966, 1022, 1187, 1446, 1533, 1679, 1687, 2374, 3066, 3358, 3374, 3561, 5037, 5061, 5543, 7122, 8309, 10074, 10122, 11086, 11753, 16618, 16629, 17593, 23506, 24927, 27301, 33258, 35186, 35259, 38801, 49854, 52779, 54602, 70518, 77602, 81903, 86651, 105558, 116403, 123151, 163806, 173302, 191107, 232806, 246302, 259953, 286067, 369453, 382214, 404639, 519906, 572134, 573321, 606557, 738906, 809278, 858201, 1146642, 1213114, 1213917, 1716402, 1819671, 1992973, 2002469, 2427834, 2832473, 3639342, 3985946, 4004938, 5664946, 5978919, 6007407, 6579541, 8497419, 11957838, 12014814, 13159082, 13950811, 16994838, 19738623, 20882891, 27901622, 39477246, 41765782, 41852433, 46056787, 62648673, 83704866, 92113574, 125297346, 138170361, 146180237, 276340722, 292360474, 438540711, 480306493, 877081422, 960612986, 1440919479, 2881838958, 3362145451, 6724290902, 10086436353, 20172872706]

約数ペア:

[(1, 20172872706), (2, 10086436353), (3, 6724290902), (6, 3362145451), (7, 2881838958), (14, 1440919479), (21, 960612986), (23, 877081422), (42, 480306493), (46, 438540711), (69, 292360474), (73, 276340722), (138, 146180237), (146, 138170361), (161, 125297346), (219, 92113574), (241, 83704866), (322, 62648673), (438, 46056787), (482, 41852433), (483, 41765782), (511, 39477246), (723, 27901622), (966, 20882891), (1022, 19738623), (1187, 16994838), (1446, 13950811), (1533, 13159082), (1679, 12014814), (1687, 11957838), (2374, 8497419), (3066, 6579541), (3358, 6007407), (3374, 5978919), (3561, 5664946), (5037, 4004938), (5061, 3985946), (5543, 3639342), (7122, 2832473), (8309, 2427834), (10074, 2002469), (10122, 1992973), (11086, 1819671), (11753, 1716402), (16618, 1213917), (16629, 1213114), (17593, 1146642), (23506, 858201), (24927, 809278), (27301, 738906), (33258, 606557), (35186, 573321), (35259, 572134), (38801, 519906), (49854, 404639), (52779, 382214), (54602, 369453), (70518, 286067), (77602, 259953), (81903, 246302), (86651, 232806), (105558, 191107), (116403, 173302), (123151, 163806)]