20519226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12527}}^1$

素因数の和:12555

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 34203078

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12527, 25054, 37581, 75162, 87689, 112743, 162851, 175378, 225486, 263067, 325702, 488553, 526134, 789201, 977106, 1139957, 1465659, 1578402, 2279914, 2931318, 3419871, 6839742, 10259613, 20519226]

約数ペア:

[(1, 20519226), (2, 10259613), (3, 6839742), (6, 3419871), (7, 2931318), (9, 2279914), (13, 1578402), (14, 1465659), (18, 1139957), (21, 977106), (26, 789201), (39, 526134), (42, 488553), (63, 325702), (78, 263067), (91, 225486), (117, 175378), (126, 162851), (182, 112743), (234, 87689), (273, 75162), (546, 37581), (819, 25054), (1638, 12527)]