20189512805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{114749}}^1$

素因数の和:115229

約数の個数: 32

約数和(自身を含む): 30271968000

約数和(自身を除く): 10082455195

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 457, 2285, 3199, 5027, 15995, 25135, 35189, 114749, 175945, 573745, 803243, 1262239, 4016215, 6311195, 8835673, 44178365, 52440293, 262201465, 367082051, 576843223, 1835410255, 2884216115, 4037902561, 20189512805]

約数ペア:

[(1, 20189512805), (5, 4037902561), (7, 2884216115), (11, 1835410255), (35, 576843223), (55, 367082051), (77, 262201465), (385, 52440293), (457, 44178365), (2285, 8835673), (3199, 6311195), (5027, 4016215), (15995, 1262239), (25135, 803243), (35189, 573745), (114749, 175945)]