20899202905

素因数分解:

$5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{523}}^1\times {\mathrm{773}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 29405882304

約数和(自身を除く): 8506679399

約数列:

[1, 5, 7, 35, 49, 211, 245, 523, 773, 1055, 1477, 2615, 3661, 3865, 5411, 7385, 10339, 18305, 25627, 27055, 37877, 51695, 110353, 128135, 163103, 189385, 404279, 551765, 772471, 815515, 1141721, 2021395, 2829953, 3862355, 5407297, 5708605, 7992047, 14149765, 19809671, 27036485, 39960235, 85302869, 99048355, 426514345, 597120083, 2985600415, 4179840581, 20899202905]

約数ペア:

[(1, 20899202905), (5, 4179840581), (7, 2985600415), (35, 597120083), (49, 426514345), (211, 99048355), (245, 85302869), (523, 39960235), (773, 27036485), (1055, 19809671), (1477, 14149765), (2615, 7992047), (3661, 5708605), (3865, 5407297), (5411, 3862355), (7385, 2829953), (10339, 2021395), (18305, 1141721), (25627, 815515), (27055, 772471), (37877, 551765), (51695, 404279), (110353, 189385), (128135, 163103)]