20923218

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20423

約数の個数: 32

約数和(自身を含む): 48945600

約数和(自身を除く): 28022382

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20393, 40786, 61179, 122358, 183537, 367074, 387467, 550611, 774934, 1101222, 1162401, 2324802, 3487203, 6974406, 10461609, 20923218]

約数ペア:

[(1, 20923218), (2, 10461609), (3, 6974406), (6, 3487203), (9, 2324802), (18, 1162401), (19, 1101222), (27, 774934), (38, 550611), (54, 387467), (57, 367074), (114, 183537), (171, 122358), (342, 61179), (513, 40786), (1026, 20393)]