20718676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 21375404

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 59, 92, 118, 236, 253, 347, 506, 649, 694, 1012, 1298, 1357, 1388, 2596, 2714, 3817, 5428, 7634, 7981, 14927, 15268, 15962, 20473, 29854, 31924, 40946, 59708, 81892, 87791, 175582, 225203, 351164, 450406, 470879, 900812, 941758, 1883516, 5179669, 10359338, 20718676]

約数ペア:

[(1, 20718676), (2, 10359338), (4, 5179669), (11, 1883516), (22, 941758), (23, 900812), (44, 470879), (46, 450406), (59, 351164), (92, 225203), (118, 175582), (236, 87791), (253, 81892), (347, 59708), (506, 40946), (649, 31924), (694, 29854), (1012, 20473), (1298, 15962), (1357, 15268), (1388, 14927), (2596, 7981), (2714, 7634), (3817, 5428)]