20378466

素因数分解:

$2^1\times 3^8\times {\mathrm{1553}}^1$

素因数の和:1579

約数の個数: 36

約数和(自身を含む): 45878742

約数和(自身を除く): 25500276

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1553, 2187, 3106, 4374, 4659, 6561, 9318, 13122, 13977, 27954, 41931, 83862, 125793, 251586, 377379, 754758, 1132137, 2264274, 3396411, 6792822, 10189233, 20378466]

約数ペア:

[(1, 20378466), (2, 10189233), (3, 6792822), (6, 3396411), (9, 2264274), (18, 1132137), (27, 754758), (54, 377379), (81, 251586), (162, 125793), (243, 83862), (486, 41931), (729, 27954), (1458, 13977), (1553, 13122), (2187, 9318), (3106, 6561), (4374, 4659)]