20423879960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46417909}}^1$

素因数の和:46417931

約数の個数: 32

約数和(自身を含む): 50131342800

約数和(自身を除く): 29707462840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46417909, 92835818, 185671636, 232089545, 371343272, 464179090, 510596999, 928358180, 1021193998, 1856716360, 2042387996, 2552984995, 4084775992, 5105969990, 10211939980, 20423879960]

約数ペア:

[(1, 20423879960), (2, 10211939980), (4, 5105969990), (5, 4084775992), (8, 2552984995), (10, 2042387996), (11, 1856716360), (20, 1021193998), (22, 928358180), (40, 510596999), (44, 464179090), (55, 371343272), (88, 232089545), (110, 185671636), (220, 92835818), (440, 46417909)]