20212990063

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1\times {\mathrm{601}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 23733440640

約数和(自身を除く): 3520450577

約数列:

[1, 7, 53, 269, 337, 371, 601, 1883, 2359, 4207, 14257, 17861, 31853, 90653, 99799, 125027, 161669, 202537, 222971, 634571, 1131683, 1417759, 4804609, 8568457, 10734461, 33632263, 54482453, 59979199, 75141227, 381377171, 2887570009, 20212990063]

約数ペア:

[(1, 20212990063), (7, 2887570009), (53, 381377171), (269, 75141227), (337, 59979199), (371, 54482453), (601, 33632263), (1883, 10734461), (2359, 8568457), (4207, 4804609), (14257, 1417759), (17861, 1131683), (31853, 634571), (90653, 222971), (99799, 202537), (125027, 161669)]