20742592

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 44933616

約数和(自身を除く): 24191024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 208, 214, 233, 416, 428, 466, 832, 856, 932, 1391, 1712, 1864, 2782, 3029, 3424, 3728, 5564, 6058, 6848, 7456, 11128, 12116, 14912, 22256, 24232, 24931, 44512, 48464, 49862, 89024, 96928, 99724, 193856, 199448, 324103, 398896, 648206, 797792, 1296412, 1595584, 2592824, 5185648, 10371296, 20742592]

約数ペア:

[(1, 20742592), (2, 10371296), (4, 5185648), (8, 2592824), (13, 1595584), (16, 1296412), (26, 797792), (32, 648206), (52, 398896), (64, 324103), (104, 199448), (107, 193856), (208, 99724), (214, 96928), (233, 89024), (416, 49862), (428, 48464), (466, 44512), (832, 24931), (856, 24232), (932, 22256), (1391, 14912), (1712, 12116), (1864, 11128), (2782, 7456), (3029, 6848), (3424, 6058), (3728, 5564)]