20533446

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 27620154

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 86, 111, 129, 222, 239, 258, 333, 387, 478, 666, 717, 774, 999, 1161, 1434, 1591, 1998, 2151, 2322, 3182, 4302, 4773, 6453, 8843, 9546, 10277, 12906, 14319, 17686, 20554, 26529, 28638, 30831, 42957, 53058, 61662, 79587, 85914, 92493, 159174, 184986, 238761, 277479, 380249, 477522, 554958, 760498, 1140747, 2281494, 3422241, 6844482, 10266723, 20533446]

約数ペア:

[(1, 20533446), (2, 10266723), (3, 6844482), (6, 3422241), (9, 2281494), (18, 1140747), (27, 760498), (37, 554958), (43, 477522), (54, 380249), (74, 277479), (86, 238761), (111, 184986), (129, 159174), (222, 92493), (239, 85914), (258, 79587), (333, 61662), (387, 53058), (478, 42957), (666, 30831), (717, 28638), (774, 26529), (999, 20554), (1161, 17686), (1434, 14319), (1591, 12906), (1998, 10277), (2151, 9546), (2322, 8843), (3182, 6453), (4302, 4773)]