20481736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13691}}^1$

素因数の和:13725

約数の個数: 32

約数和(自身を含む): 44362080

約数和(自身を除く): 23880344

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13691, 27382, 54764, 109528, 150601, 232747, 301202, 465494, 602404, 930988, 1204808, 1861976, 2560217, 5120434, 10240868, 20481736]

約数ペア:

[(1, 20481736), (2, 10240868), (4, 5120434), (8, 2560217), (11, 1861976), (17, 1204808), (22, 930988), (34, 602404), (44, 465494), (68, 301202), (88, 232747), (136, 150601), (187, 109528), (374, 54764), (748, 27382), (1496, 13691)]