20162988794

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 33034252320

約数和(自身を除く): 12871263526

約数列:

[1, 2, 13, 26, 169, 229, 331, 338, 458, 662, 787, 1574, 2977, 4303, 5954, 8606, 10231, 20462, 38701, 55939, 75799, 77402, 111878, 133003, 151598, 180223, 260497, 266006, 360446, 520994, 985387, 1970774, 2342899, 3386461, 4685798, 6772922, 12810031, 25620062, 30457687, 44023993, 59653813, 60915374, 88047986, 119307626, 775499569, 1550999138, 10081494397, 20162988794]

約数ペア:

[(1, 20162988794), (2, 10081494397), (13, 1550999138), (26, 775499569), (169, 119307626), (229, 88047986), (331, 60915374), (338, 59653813), (458, 44023993), (662, 30457687), (787, 25620062), (1574, 12810031), (2977, 6772922), (4303, 4685798), (5954, 3386461), (8606, 2342899), (10231, 1970774), (20462, 985387), (38701, 520994), (55939, 360446), (75799, 266006), (77402, 260497), (111878, 180223), (133003, 151598)]