20767920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86533}}^1$

素因数の和:86549

約数の個数: 40

約数和(自身を含む): 64381296

約数和(自身を除く): 43613376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86533, 173066, 259599, 346132, 432665, 519198, 692264, 865330, 1038396, 1297995, 1384528, 1730660, 2076792, 2595990, 3461320, 4153584, 5191980, 6922640, 10383960, 20767920]

約数ペア:

[(1, 20767920), (2, 10383960), (3, 6922640), (4, 5191980), (5, 4153584), (6, 3461320), (8, 2595990), (10, 2076792), (12, 1730660), (15, 1384528), (16, 1297995), (20, 1038396), (24, 865330), (30, 692264), (40, 519198), (48, 432665), (60, 346132), (80, 259599), (120, 173066), (240, 86533)]