20161304624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{60127}}^1$

素因数の和:61257

約数の個数: 40

約数和(自身を含む): 41156413440

約数和(自身を除く): 20995108816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1103, 2206, 4412, 8824, 17648, 20957, 41914, 60127, 83828, 120254, 167656, 240508, 335312, 481016, 962032, 1142413, 2284826, 4569652, 9139304, 18278608, 66320081, 132640162, 265280324, 530560648, 1061121296, 1260081539, 2520163078, 5040326156, 10080652312, 20161304624]

約数ペア:

[(1, 20161304624), (2, 10080652312), (4, 5040326156), (8, 2520163078), (16, 1260081539), (19, 1061121296), (38, 530560648), (76, 265280324), (152, 132640162), (304, 66320081), (1103, 18278608), (2206, 9139304), (4412, 4569652), (8824, 2284826), (17648, 1142413), (20957, 962032), (41914, 481016), (60127, 335312), (83828, 240508), (120254, 167656)]