20858238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 48297600

約数和(自身を除く): 27439362

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 859, 1278, 1349, 1718, 2577, 2698, 4047, 5154, 7731, 8094, 12141, 15462, 16321, 24282, 32642, 48963, 60989, 97926, 121978, 146889, 182967, 293778, 365934, 548901, 1097802, 1158791, 2317582, 3476373, 6952746, 10429119, 20858238]

約数ペア:

[(1, 20858238), (2, 10429119), (3, 6952746), (6, 3476373), (9, 2317582), (18, 1158791), (19, 1097802), (38, 548901), (57, 365934), (71, 293778), (114, 182967), (142, 146889), (171, 121978), (213, 97926), (342, 60989), (426, 48963), (639, 32642), (859, 24282), (1278, 16321), (1349, 15462), (1718, 12141), (2577, 8094), (2698, 7731), (4047, 5154)]