20156481885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{3821}}^1$

素因数の和:4134

約数の個数: 64

約数和(自身を含む): 34633557504

約数和(自身を除く): 14477075619

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 151, 255, 411, 453, 685, 755, 2055, 2265, 2329, 2567, 3821, 6987, 7701, 11463, 11645, 12835, 19105, 20687, 34935, 38505, 57315, 62061, 64957, 103435, 194871, 310305, 324785, 351679, 523477, 576971, 974355, 1055037, 1570431, 1730913, 1758395, 2617385, 2884855, 5275185, 7852155, 8654565, 8899109, 9808507, 26697327, 29425521, 44495545, 49042535, 79045027, 133486635, 147127605, 237135081, 395225135, 1185675405, 1343765459, 4031296377, 6718827295, 20156481885]

約数ペア:

[(1, 20156481885), (3, 6718827295), (5, 4031296377), (15, 1343765459), (17, 1185675405), (51, 395225135), (85, 237135081), (137, 147127605), (151, 133486635), (255, 79045027), (411, 49042535), (453, 44495545), (685, 29425521), (755, 26697327), (2055, 9808507), (2265, 8899109), (2329, 8654565), (2567, 7852155), (3821, 5275185), (6987, 2884855), (7701, 2617385), (11463, 1758395), (11645, 1730913), (12835, 1570431), (19105, 1055037), (20687, 974355), (34935, 576971), (38505, 523477), (57315, 351679), (62061, 324785), (64957, 310305), (103435, 194871)]