20170124045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{251639}}^1$

素因数の和:251725

約数の個数: 32

約数和(自身を含む): 27394536960

約数和(自身を除く): 7224412915

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3485, 4715, 16031, 80155, 251639, 1258195, 4277863, 5787697, 10317199, 21389315, 28938485, 51585995, 98390849, 175392383, 237295577, 491954245, 876961915, 1186477885, 4034024809, 20170124045]

約数ペア:

[(1, 20170124045), (5, 4034024809), (17, 1186477885), (23, 876961915), (41, 491954245), (85, 237295577), (115, 175392383), (205, 98390849), (391, 51585995), (697, 28938485), (943, 21389315), (1955, 10317199), (3485, 5787697), (4715, 4277863), (16031, 1258195), (80155, 251639)]