20404488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 37777272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 3847, 5304, 7694, 11541, 15388, 23082, 30776, 46164, 50011, 65399, 92328, 100022, 130798, 150033, 196197, 200044, 261596, 300066, 392394, 400088, 523192, 600132, 784788, 850187, 1200264, 1569576, 1700374, 2550561, 3400748, 5101122, 6801496, 10202244, 20404488]

約数ペア:

[(1, 20404488), (2, 10202244), (3, 6801496), (4, 5101122), (6, 3400748), (8, 2550561), (12, 1700374), (13, 1569576), (17, 1200264), (24, 850187), (26, 784788), (34, 600132), (39, 523192), (51, 400088), (52, 392394), (68, 300066), (78, 261596), (102, 200044), (104, 196197), (136, 150033), (156, 130798), (204, 100022), (221, 92328), (312, 65399), (408, 50011), (442, 46164), (663, 30776), (884, 23082), (1326, 15388), (1768, 11541), (2652, 7694), (3847, 5304)]