20408949840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85037291}}^1$

素因数の和:85037307

約数の個数: 40

約数和(自身を含む): 63267745248

約数和(自身を除く): 42858795408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85037291, 170074582, 255111873, 340149164, 425186455, 510223746, 680298328, 850372910, 1020447492, 1275559365, 1360596656, 1700745820, 2040894984, 2551118730, 3401491640, 4081789968, 5102237460, 6802983280, 10204474920, 20408949840]

約数ペア:

[(1, 20408949840), (2, 10204474920), (3, 6802983280), (4, 5102237460), (5, 4081789968), (6, 3401491640), (8, 2551118730), (10, 2040894984), (12, 1700745820), (15, 1360596656), (16, 1275559365), (20, 1020447492), (24, 850372910), (30, 680298328), (40, 510223746), (48, 425186455), (60, 340149164), (80, 255111873), (120, 170074582), (240, 85037291)]