20599835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 28086912

約数和(自身を除く): 7487077

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 257, 391, 697, 943, 1285, 1955, 3485, 4369, 4715, 5911, 10537, 16031, 21845, 29555, 52685, 80155, 100487, 179129, 242351, 502435, 895645, 1211755, 4119967, 20599835]

約数ペア:

[(1, 20599835), (5, 4119967), (17, 1211755), (23, 895645), (41, 502435), (85, 242351), (115, 179129), (205, 100487), (257, 80155), (391, 52685), (697, 29555), (943, 21845), (1285, 16031), (1955, 10537), (3485, 5911), (4369, 4715)]