20737782

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 51429840

約数和(自身を除く): 30692058

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 81, 86, 117, 129, 162, 229, 234, 258, 351, 387, 458, 559, 687, 702, 774, 1053, 1118, 1161, 1374, 1677, 2061, 2106, 2322, 2977, 3354, 3483, 4122, 5031, 5954, 6183, 6966, 8931, 9847, 10062, 12366, 15093, 17862, 18549, 19694, 26793, 29541, 30186, 37098, 45279, 53586, 59082, 80379, 88623, 90558, 128011, 160758, 177246, 241137, 256022, 265869, 384033, 482274, 531738, 768066, 797607, 1152099, 1595214, 2304198, 3456297, 6912594, 10368891, 20737782]

約数ペア:

[(1, 20737782), (2, 10368891), (3, 6912594), (6, 3456297), (9, 2304198), (13, 1595214), (18, 1152099), (26, 797607), (27, 768066), (39, 531738), (43, 482274), (54, 384033), (78, 265869), (81, 256022), (86, 241137), (117, 177246), (129, 160758), (162, 128011), (229, 90558), (234, 88623), (258, 80379), (351, 59082), (387, 53586), (458, 45279), (559, 37098), (687, 30186), (702, 29541), (774, 26793), (1053, 19694), (1118, 18549), (1161, 17862), (1374, 15093), (1677, 12366), (2061, 10062), (2106, 9847), (2322, 8931), (2977, 6966), (3354, 6183), (3483, 5954), (4122, 5031)]