20247535

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{683}}^1$

素因数の和:724

約数の個数: 36

約数和(自身を含む): 31112424

約数和(自身を除く): 10864889

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 683, 847, 2695, 3415, 4235, 4781, 5929, 7513, 23905, 29645, 33467, 37565, 52591, 82643, 167335, 262955, 368137, 413215, 578501, 1840685, 2892505, 4049507, 20247535]

約数ペア:

[(1, 20247535), (5, 4049507), (7, 2892505), (11, 1840685), (35, 578501), (49, 413215), (55, 368137), (77, 262955), (121, 167335), (245, 82643), (385, 52591), (539, 37565), (605, 33467), (683, 29645), (847, 23905), (2695, 7513), (3415, 5929), (4235, 4781)]