20032528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 41997312

約数和(自身を除く): 21964784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1567, 1598, 3134, 3196, 6268, 6392, 12536, 12784, 25072, 26639, 53278, 73649, 106556, 147298, 213112, 294596, 426224, 589192, 1178384, 1252033, 2504066, 5008132, 10016264, 20032528]

約数ペア:

[(1, 20032528), (2, 10016264), (4, 5008132), (8, 2504066), (16, 1252033), (17, 1178384), (34, 589192), (47, 426224), (68, 294596), (94, 213112), (136, 147298), (188, 106556), (272, 73649), (376, 53278), (752, 26639), (799, 25072), (1567, 12784), (1598, 12536), (3134, 6392), (3196, 6268)]