20932065

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 46096128

約数和(自身を除く): 25164063

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 231, 245, 315, 385, 441, 495, 539, 693, 735, 863, 1155, 1617, 2205, 2589, 2695, 3465, 4315, 4851, 6041, 7767, 8085, 9493, 12945, 18123, 24255, 28479, 30205, 38835, 42287, 47465, 54369, 66451, 85437, 90615, 126861, 142395, 199353, 211435, 271845, 332255, 380583, 427185, 465157, 598059, 634305, 996765, 1395471, 1902915, 2325785, 2990295, 4186413, 6977355, 20932065]

約数ペア:

[(1, 20932065), (3, 6977355), (5, 4186413), (7, 2990295), (9, 2325785), (11, 1902915), (15, 1395471), (21, 996765), (33, 634305), (35, 598059), (45, 465157), (49, 427185), (55, 380583), (63, 332255), (77, 271845), (99, 211435), (105, 199353), (147, 142395), (165, 126861), (231, 90615), (245, 85437), (315, 66451), (385, 54369), (441, 47465), (495, 42287), (539, 38835), (693, 30205), (735, 28479), (863, 24255), (1155, 18123), (1617, 12945), (2205, 9493), (2589, 8085), (2695, 7767), (3465, 6041), (4315, 4851)]