20096125

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 31050864

約数和(自身を除く): 10954739

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 175, 193, 245, 425, 595, 833, 875, 965, 1225, 1351, 2125, 2975, 3281, 4165, 4825, 6125, 6755, 9457, 14875, 16405, 20825, 22967, 24125, 33775, 47285, 82025, 104125, 114835, 160769, 168875, 236425, 410125, 574175, 803845, 1182125, 2870875, 4019225, 20096125]

約数ペア:

[(1, 20096125), (5, 4019225), (7, 2870875), (17, 1182125), (25, 803845), (35, 574175), (49, 410125), (85, 236425), (119, 168875), (125, 160769), (175, 114835), (193, 104125), (245, 82025), (425, 47285), (595, 33775), (833, 24125), (875, 22967), (965, 20825), (1225, 16405), (1351, 14875), (2125, 9457), (2975, 6755), (3281, 6125), (4165, 4825)]