20163225915

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7112249}}^1$

素因数の和:7112273

約数の個数: 40

約数和(自身を含む): 41307948000

約数和(自身を除く): 21144722085

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7112249, 21336747, 35561245, 49785743, 64010241, 106683735, 149357229, 192030723, 248928715, 320051205, 448071687, 576092169, 746786145, 960153615, 1344215061, 2240358435, 2880460845, 4032645183, 6721075305, 20163225915]

約数ペア:

[(1, 20163225915), (3, 6721075305), (5, 4032645183), (7, 2880460845), (9, 2240358435), (15, 1344215061), (21, 960153615), (27, 746786145), (35, 576092169), (45, 448071687), (63, 320051205), (81, 248928715), (105, 192030723), (135, 149357229), (189, 106683735), (315, 64010241), (405, 49785743), (567, 35561245), (945, 21336747), (2835, 7112249)]