20190557716

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1\times {\mathrm{3181}}^1$

素因数の和:4160

約数の個数: 48

約数和(自身を含む): 40566477952

約数和(自身を除く): 20375920236

約数列:

[1, 2, 4, 7, 14, 28, 397, 571, 794, 1142, 1588, 2284, 2779, 3181, 3997, 5558, 6362, 7994, 11116, 12724, 15988, 22267, 44534, 89068, 226687, 453374, 906748, 1262857, 1586809, 1816351, 2525714, 3173618, 3632702, 5051428, 6347236, 7265404, 8839999, 12714457, 17679998, 25428914, 35359996, 50857828, 721091347, 1442182694, 2884365388, 5047639429, 10095278858, 20190557716]

約数ペア:

[(1, 20190557716), (2, 10095278858), (4, 5047639429), (7, 2884365388), (14, 1442182694), (28, 721091347), (397, 50857828), (571, 35359996), (794, 25428914), (1142, 17679998), (1588, 12714457), (2284, 8839999), (2779, 7265404), (3181, 6347236), (3997, 5051428), (5558, 3632702), (6362, 3173618), (7994, 2525714), (11116, 1816351), (12724, 1586809), (15988, 1262857), (22267, 906748), (44534, 453374), (89068, 226687)]