20479920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85333}}^1$

素因数の和:85349

約数の個数: 40

約数和(自身を含む): 63488496

約数和(自身を除く): 43008576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85333, 170666, 255999, 341332, 426665, 511998, 682664, 853330, 1023996, 1279995, 1365328, 1706660, 2047992, 2559990, 3413320, 4095984, 5119980, 6826640, 10239960, 20479920]

約数ペア:

[(1, 20479920), (2, 10239960), (3, 6826640), (4, 5119980), (5, 4095984), (6, 3413320), (8, 2559990), (10, 2047992), (12, 1706660), (15, 1365328), (16, 1279995), (20, 1023996), (24, 853330), (30, 682664), (40, 511998), (48, 426665), (60, 341332), (80, 255999), (120, 170666), (240, 85333)]