20481468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 59082240

約数和(自身を除く): 38600772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 57, 76, 82, 84, 114, 123, 133, 164, 228, 246, 266, 287, 313, 399, 492, 532, 574, 626, 779, 798, 861, 939, 1148, 1252, 1558, 1596, 1722, 1878, 2191, 2337, 3116, 3444, 3756, 4382, 4674, 5453, 5947, 6573, 8764, 9348, 10906, 11894, 12833, 13146, 16359, 17841, 21812, 23788, 25666, 26292, 32718, 35682, 38499, 41629, 51332, 65436, 71364, 76998, 83258, 89831, 124887, 153996, 166516, 179662, 243827, 249774, 269493, 359324, 487654, 499548, 538986, 731481, 975308, 1077972, 1462962, 1706789, 2925924, 3413578, 5120367, 6827156, 10240734, 20481468]

約数ペア:

[(1, 20481468), (2, 10240734), (3, 6827156), (4, 5120367), (6, 3413578), (7, 2925924), (12, 1706789), (14, 1462962), (19, 1077972), (21, 975308), (28, 731481), (38, 538986), (41, 499548), (42, 487654), (57, 359324), (76, 269493), (82, 249774), (84, 243827), (114, 179662), (123, 166516), (133, 153996), (164, 124887), (228, 89831), (246, 83258), (266, 76998), (287, 71364), (313, 65436), (399, 51332), (492, 41629), (532, 38499), (574, 35682), (626, 32718), (779, 26292), (798, 25666), (861, 23788), (939, 21812), (1148, 17841), (1252, 16359), (1558, 13146), (1596, 12833), (1722, 11894), (1878, 10906), (2191, 9348), (2337, 8764), (3116, 6573), (3444, 5947), (3756, 5453), (4382, 4674)]