20280180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1489}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 57072960

約数和(自身を除く): 36792780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 1489, 2270, 2724, 2978, 3405, 4467, 4540, 5956, 6810, 7445, 8934, 13620, 14890, 17868, 22335, 29780, 44670, 89340, 338003, 676006, 1014009, 1352012, 1690015, 2028018, 3380030, 4056036, 5070045, 6760060, 10140090, 20280180]

約数ペア:

[(1, 20280180), (2, 10140090), (3, 6760060), (4, 5070045), (5, 4056036), (6, 3380030), (10, 2028018), (12, 1690015), (15, 1352012), (20, 1014009), (30, 676006), (60, 338003), (227, 89340), (454, 44670), (681, 29780), (908, 22335), (1135, 17868), (1362, 14890), (1489, 13620), (2270, 8934), (2724, 7445), (2978, 6810), (3405, 5956), (4467, 4540)]