20728045372

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1\times {\mathrm{2251}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 38281549824

約数和(自身を除く): 17553504452

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 991, 1982, 2251, 2323, 3964, 4502, 4646, 9004, 9292, 22793, 45586, 51773, 91172, 100091, 103546, 200182, 207092, 227351, 400364, 454702, 909404, 2230741, 2302093, 4461482, 4604186, 5229073, 8922964, 9208372, 10458146, 20916292, 51307043, 102614086, 205228172, 225304841, 450609682, 901219364, 5182011343, 10364022686, 20728045372]

約数ペア:

[(1, 20728045372), (2, 10364022686), (4, 5182011343), (23, 901219364), (46, 450609682), (92, 225304841), (101, 205228172), (202, 102614086), (404, 51307043), (991, 20916292), (1982, 10458146), (2251, 9208372), (2323, 8922964), (3964, 5229073), (4502, 4604186), (4646, 4461482), (9004, 2302093), (9292, 2230741), (22793, 909404), (45586, 454702), (51773, 400364), (91172, 227351), (100091, 207092), (103546, 200182)]