20176901975

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{1031}}^1\times {\mathrm{21157}}^1$

素因数の和:22235

約数の個数: 24

約数和(自身を含む): 25721695968

約数和(自身を除く): 5544793993

約数列:

[1, 5, 25, 37, 185, 925, 1031, 5155, 21157, 25775, 38147, 105785, 190735, 528925, 782809, 953675, 3914045, 19570225, 21812867, 109064335, 545321675, 807076079, 4035380395, 20176901975]

約数ペア:

[(1, 20176901975), (5, 4035380395), (25, 807076079), (37, 545321675), (185, 109064335), (925, 21812867), (1031, 19570225), (5155, 3914045), (21157, 953675), (25775, 782809), (38147, 528925), (105785, 190735)]