20458344

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 35062296

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1223, 1394, 2091, 2446, 2788, 3669, 4182, 4892, 5576, 7338, 8364, 9784, 14676, 16728, 20791, 29352, 41582, 50143, 62373, 83164, 100286, 124746, 150429, 166328, 200572, 249492, 300858, 401144, 498984, 601716, 852431, 1203432, 1704862, 2557293, 3409724, 5114586, 6819448, 10229172, 20458344]

約数ペア:

[(1, 20458344), (2, 10229172), (3, 6819448), (4, 5114586), (6, 3409724), (8, 2557293), (12, 1704862), (17, 1203432), (24, 852431), (34, 601716), (41, 498984), (51, 401144), (68, 300858), (82, 249492), (102, 200572), (123, 166328), (136, 150429), (164, 124746), (204, 100286), (246, 83164), (328, 62373), (408, 50143), (492, 41582), (697, 29352), (984, 20791), (1223, 16728), (1394, 14676), (2091, 9784), (2446, 8364), (2788, 7338), (3669, 5576), (4182, 4892)]