20143984

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4861}}^1$

素因数の和:4913

約数の個数: 40

約数和(自身を含む): 45819488

約数和(自身を除く): 25675504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4861, 9722, 19444, 34027, 38888, 68054, 77776, 136108, 179857, 272216, 359714, 544432, 719428, 1258999, 1438856, 2517998, 2877712, 5035996, 10071992, 20143984]

約数ペア:

[(1, 20143984), (2, 10071992), (4, 5035996), (7, 2877712), (8, 2517998), (14, 1438856), (16, 1258999), (28, 719428), (37, 544432), (56, 359714), (74, 272216), (112, 179857), (148, 136108), (259, 77776), (296, 68054), (518, 38888), (592, 34027), (1036, 19444), (2072, 9722), (4144, 4861)]