20157627364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1222267}}^1$

素因数の和:1222328

約数の個数: 48

約数和(自身を含む): 43806085120

約数和(自身を除く): 23648457756

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 1222267, 2444534, 4889068, 8555869, 17111738, 23223073, 34223476, 37890277, 46446146, 75780554, 92892292, 151561108, 162561511, 265231939, 325123022, 530463878, 650246044, 719915263, 1060927756, 1439830526, 2879661052, 5039406841, 10078813682, 20157627364]

約数ペア:

[(1, 20157627364), (2, 10078813682), (4, 5039406841), (7, 2879661052), (14, 1439830526), (19, 1060927756), (28, 719915263), (31, 650246044), (38, 530463878), (62, 325123022), (76, 265231939), (124, 162561511), (133, 151561108), (217, 92892292), (266, 75780554), (434, 46446146), (532, 37890277), (589, 34223476), (868, 23223073), (1178, 17111738), (2356, 8555869), (4123, 4889068), (8246, 2444534), (16492, 1222267)]