20263380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{739}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 56938560

約数和(自身を除く): 36675180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 739, 914, 1371, 1478, 1828, 2217, 2285, 2742, 2956, 3695, 4434, 4570, 5484, 6855, 7390, 8868, 9140, 11085, 13710, 14780, 22170, 27420, 44340, 337723, 675446, 1013169, 1350892, 1688615, 2026338, 3377230, 4052676, 5065845, 6754460, 10131690, 20263380]

約数ペア:

[(1, 20263380), (2, 10131690), (3, 6754460), (4, 5065845), (5, 4052676), (6, 3377230), (10, 2026338), (12, 1688615), (15, 1350892), (20, 1013169), (30, 675446), (60, 337723), (457, 44340), (739, 27420), (914, 22170), (1371, 14780), (1478, 13710), (1828, 11085), (2217, 9140), (2285, 8868), (2742, 7390), (2956, 6855), (3695, 5484), (4434, 4570)]