20239920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28111}}^1$

素因数の和:28130

約数の個数: 60

約数和(自身を含む): 67974816

約数和(自身を除く): 47734896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28111, 56222, 84333, 112444, 140555, 168666, 224888, 252999, 281110, 337332, 421665, 449776, 505998, 562220, 674664, 843330, 1011996, 1124440, 1264995, 1349328, 1686660, 2023992, 2248880, 2529990, 3373320, 4047984, 5059980, 6746640, 10119960, 20239920]

約数ペア:

[(1, 20239920), (2, 10119960), (3, 6746640), (4, 5059980), (5, 4047984), (6, 3373320), (8, 2529990), (9, 2248880), (10, 2023992), (12, 1686660), (15, 1349328), (16, 1264995), (18, 1124440), (20, 1011996), (24, 843330), (30, 674664), (36, 562220), (40, 505998), (45, 449776), (48, 421665), (60, 337332), (72, 281110), (80, 252999), (90, 224888), (120, 168666), (144, 140555), (180, 112444), (240, 84333), (360, 56222), (720, 28111)]