20235015

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2973

約数の個数: 40

約数和(自身を含む): 38419920

約数和(自身を除く): 18184905

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2939, 6885, 8817, 14695, 26451, 44085, 49963, 79353, 132255, 149889, 238059, 249815, 396765, 449667, 749445, 1190295, 1349001, 2248335, 4047003, 6745005, 20235015]

約数ペア:

[(1, 20235015), (3, 6745005), (5, 4047003), (9, 2248335), (15, 1349001), (17, 1190295), (27, 749445), (45, 449667), (51, 396765), (81, 249815), (85, 238059), (135, 149889), (153, 132255), (255, 79353), (405, 49963), (459, 44085), (765, 26451), (1377, 14695), (2295, 8817), (2939, 6885)]