20857589170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{4547}}^1$

素因数の和:4816

約数の個数: 96

約数和(自身を含む): 43900061184

約数和(自身を除く): 23042472014

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 223, 242, 374, 446, 605, 935, 1115, 1210, 1870, 2057, 2230, 2453, 3791, 4114, 4547, 4906, 7582, 9094, 10285, 12265, 18955, 20570, 22735, 24530, 26983, 37910, 41701, 45470, 50017, 53966, 77299, 83402, 100034, 134915, 154598, 208505, 250085, 269830, 386495, 417010, 458711, 500170, 550187, 772990, 850289, 917422, 1013981, 1100374, 1700578, 2027962, 2293555, 2750935, 4251445, 4587110, 5069905, 5501870, 8502890, 9353179, 10139810, 11153791, 17237677, 18706358, 22307582, 34475354, 46765895, 55768955, 86188385, 93531790, 111537910, 122691701, 172376770, 189614447, 245383402, 379228894, 613458505, 948072235, 1226917010, 1896144470, 2085758917, 4171517834, 10428794585, 20857589170]

約数ペア:

[(1, 20857589170), (2, 10428794585), (5, 4171517834), (10, 2085758917), (11, 1896144470), (17, 1226917010), (22, 948072235), (34, 613458505), (55, 379228894), (85, 245383402), (110, 189614447), (121, 172376770), (170, 122691701), (187, 111537910), (223, 93531790), (242, 86188385), (374, 55768955), (446, 46765895), (605, 34475354), (935, 22307582), (1115, 18706358), (1210, 17237677), (1870, 11153791), (2057, 10139810), (2230, 9353179), (2453, 8502890), (3791, 5501870), (4114, 5069905), (4547, 4587110), (4906, 4251445), (7582, 2750935), (9094, 2293555), (10285, 2027962), (12265, 1700578), (18955, 1100374), (20570, 1013981), (22735, 917422), (24530, 850289), (26983, 772990), (37910, 550187), (41701, 500170), (45470, 458711), (50017, 417010), (53966, 386495), (77299, 269830), (83402, 250085), (100034, 208505), (134915, 154598)]