20531874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2753}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 45209664

約数和(自身を除く): 24677790

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 2753, 3729, 5506, 7458, 8259, 16518, 30283, 60566, 90849, 181698, 311089, 622178, 933267, 1866534, 3421979, 6843958, 10265937, 20531874]

約数ペア:

[(1, 20531874), (2, 10265937), (3, 6843958), (6, 3421979), (11, 1866534), (22, 933267), (33, 622178), (66, 311089), (113, 181698), (226, 90849), (339, 60566), (678, 30283), (1243, 16518), (2486, 8259), (2753, 7458), (3729, 5506)]