20765340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115363}}^1$

素因数の和:115378

約数の個数: 36

約数和(自身を含む): 62988744

約数和(自身を除く): 42223404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115363, 230726, 346089, 461452, 576815, 692178, 1038267, 1153630, 1384356, 1730445, 2076534, 2307260, 3460890, 4153068, 5191335, 6921780, 10382670, 20765340]

約数ペア:

[(1, 20765340), (2, 10382670), (3, 6921780), (4, 5191335), (5, 4153068), (6, 3460890), (9, 2307260), (10, 2076534), (12, 1730445), (15, 1384356), (18, 1153630), (20, 1038267), (30, 692178), (36, 576815), (45, 461452), (60, 346089), (90, 230726), (180, 115363)]