20252648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 41147400

約数和(自身を除く): 20894752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 1009, 1544, 2018, 2509, 4036, 5018, 8072, 10036, 13117, 20072, 26234, 52468, 104936, 194737, 389474, 778948, 1557896, 2531581, 5063162, 10126324, 20252648]

約数ペア:

[(1, 20252648), (2, 10126324), (4, 5063162), (8, 2531581), (13, 1557896), (26, 778948), (52, 389474), (104, 194737), (193, 104936), (386, 52468), (772, 26234), (1009, 20072), (1544, 13117), (2018, 10036), (2509, 8072), (4036, 5018)]