20493666

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 48272640

約数和(自身を除く): 27778974

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 1933, 3534, 3866, 5301, 5799, 10602, 11598, 17397, 34794, 36727, 59923, 73454, 110181, 119846, 179769, 220362, 330543, 359538, 539307, 661086, 1078614, 1138537, 2277074, 3415611, 6831222, 10246833, 20493666]

約数ペア:

[(1, 20493666), (2, 10246833), (3, 6831222), (6, 3415611), (9, 2277074), (18, 1138537), (19, 1078614), (31, 661086), (38, 539307), (57, 359538), (62, 330543), (93, 220362), (114, 179769), (171, 119846), (186, 110181), (279, 73454), (342, 59923), (558, 36727), (589, 34794), (1178, 17397), (1767, 11598), (1933, 10602), (3534, 5799), (3866, 5301)]