20913325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 27819648

約数和(自身を除く): 6906323

約数列:

[1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 983, 4255, 4915, 21275, 22609, 24575, 36371, 113045, 181855, 565225, 836533, 909275, 4182665, 20913325]

約数ペア:

[(1, 20913325), (5, 4182665), (23, 909275), (25, 836533), (37, 565225), (115, 181855), (185, 113045), (575, 36371), (851, 24575), (925, 22609), (983, 21275), (4255, 4915)]