20123143964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2252927}}^1$

素因数の和:2252978

約数の個数: 48

約数和(自身を含む): 45419028480

約数和(自身を除く): 25295884516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 4466, 8932, 2252927, 4505854, 9011708, 15770489, 24782197, 31540978, 49564394, 63081956, 65334883, 99128788, 130669766, 173475379, 261339532, 346950758, 457344181, 693901516, 718683713, 914688362, 1437367426, 1829376724, 2874734852, 5030785991, 10061571982, 20123143964]

約数ペア:

[(1, 20123143964), (2, 10061571982), (4, 5030785991), (7, 2874734852), (11, 1829376724), (14, 1437367426), (22, 914688362), (28, 718683713), (29, 693901516), (44, 457344181), (58, 346950758), (77, 261339532), (116, 173475379), (154, 130669766), (203, 99128788), (308, 65334883), (319, 63081956), (406, 49564394), (638, 31540978), (812, 24782197), (1276, 15770489), (2233, 9011708), (4466, 4505854), (8932, 2252927)]