20527408

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 45715824

約数和(自身を除く): 25188416

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 461, 484, 506, 922, 968, 1012, 1844, 1936, 2024, 2783, 3688, 4048, 5071, 5566, 7376, 10142, 10603, 11132, 20284, 21206, 22264, 40568, 42412, 44528, 55781, 81136, 84824, 111562, 116633, 169648, 223124, 233266, 446248, 466532, 892496, 933064, 1282963, 1866128, 2565926, 5131852, 10263704, 20527408]

約数ペア:

[(1, 20527408), (2, 10263704), (4, 5131852), (8, 2565926), (11, 1866128), (16, 1282963), (22, 933064), (23, 892496), (44, 466532), (46, 446248), (88, 233266), (92, 223124), (121, 169648), (176, 116633), (184, 111562), (242, 84824), (253, 81136), (368, 55781), (461, 44528), (484, 42412), (506, 40568), (922, 22264), (968, 21206), (1012, 20284), (1844, 11132), (1936, 10603), (2024, 10142), (2783, 7376), (3688, 5566), (4048, 5071)]