20300125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 27597024

約数和(自身を除く): 7296899

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 233, 425, 697, 1025, 1165, 2125, 3485, 3961, 5125, 5825, 9553, 17425, 19805, 29125, 47765, 87125, 99025, 162401, 238825, 495125, 812005, 1194125, 4060025, 20300125]

約数ペア:

[(1, 20300125), (5, 4060025), (17, 1194125), (25, 812005), (41, 495125), (85, 238825), (125, 162401), (205, 99025), (233, 87125), (425, 47765), (697, 29125), (1025, 19805), (1165, 17425), (2125, 9553), (3485, 5825), (3961, 5125)]