20078448

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 38251152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1399, 1794, 2392, 2798, 3588, 4197, 4784, 5596, 7176, 8394, 11192, 14352, 16788, 18187, 22384, 32177, 33576, 36374, 54561, 64354, 67152, 72748, 96531, 109122, 128708, 145496, 193062, 218244, 257416, 290992, 386124, 418301, 436488, 514832, 772248, 836602, 872976, 1254903, 1544496, 1673204, 2509806, 3346408, 5019612, 6692816, 10039224, 20078448]

約数ペア:

[(1, 20078448), (2, 10039224), (3, 6692816), (4, 5019612), (6, 3346408), (8, 2509806), (12, 1673204), (13, 1544496), (16, 1254903), (23, 872976), (24, 836602), (26, 772248), (39, 514832), (46, 436488), (48, 418301), (52, 386124), (69, 290992), (78, 257416), (92, 218244), (104, 193062), (138, 145496), (156, 128708), (184, 109122), (208, 96531), (276, 72748), (299, 67152), (312, 64354), (368, 54561), (552, 36374), (598, 33576), (624, 32177), (897, 22384), (1104, 18187), (1196, 16788), (1399, 14352), (1794, 11192), (2392, 8394), (2798, 7176), (3588, 5596), (4197, 4784)]