20500221992

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{3221}}^1\times {\mathrm{16927}}^1$

素因数の和:20201

約数の個数: 32

約数和(自身を含む): 39270251520

約数和(自身を除く): 18770029528

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 3221, 6442, 12884, 16927, 25768, 33854, 67708, 135416, 151387, 302774, 605548, 795569, 1211096, 1591138, 3182276, 6364552, 54521867, 109043734, 218087468, 436174936, 2562527749, 5125055498, 10250110996, 20500221992]

約数ペア:

[(1, 20500221992), (2, 10250110996), (4, 5125055498), (8, 2562527749), (47, 436174936), (94, 218087468), (188, 109043734), (376, 54521867), (3221, 6364552), (6442, 3182276), (12884, 1591138), (16927, 1211096), (25768, 795569), (33854, 605548), (67708, 302774), (135416, 151387)]