20156883285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2493121}}^1$

素因数の和:2493154

約数の個数: 48

約数和(自身を含む): 40927090752

約数和(自身を除く): 20770207467

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 2493121, 7479363, 12465605, 17451847, 27424331, 37396815, 52355541, 82272993, 87259235, 122162929, 137121655, 191970317, 261777705, 366488787, 411364965, 575910951, 610814645, 959851585, 1343792219, 1832443935, 2879554755, 4031376657, 6718961095, 20156883285]

約数ペア:

[(1, 20156883285), (3, 6718961095), (5, 4031376657), (7, 2879554755), (11, 1832443935), (15, 1343792219), (21, 959851585), (33, 610814645), (35, 575910951), (49, 411364965), (55, 366488787), (77, 261777705), (105, 191970317), (147, 137121655), (165, 122162929), (231, 87259235), (245, 82272993), (385, 52355541), (539, 37396815), (735, 27424331), (1155, 17451847), (1617, 12465605), (2695, 7479363), (8085, 2493121)]