20342825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 26858400

約数和(自身を除く): 6515575

約数列:

[1, 5, 19, 25, 95, 113, 379, 475, 565, 1895, 2147, 2825, 7201, 9475, 10735, 36005, 42827, 53675, 180025, 214135, 813713, 1070675, 4068565, 20342825]

約数ペア:

[(1, 20342825), (5, 4068565), (19, 1070675), (25, 813713), (95, 214135), (113, 180025), (379, 53675), (475, 42827), (565, 36005), (1895, 10735), (2147, 9475), (2825, 7201)]