20321796775

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{32537}}^1$

素因数の和:32680

約数の個数: 48

約数和(自身を含む): 29824591104

約数和(自身を除く): 9502794329

約数列:

[1, 5, 7, 25, 35, 43, 83, 175, 215, 301, 415, 581, 1075, 1505, 2075, 2905, 3569, 7525, 14525, 17845, 24983, 32537, 89225, 124915, 162685, 227759, 624575, 813425, 1138795, 1399091, 2700571, 5693975, 6995455, 9793637, 13502855, 18903997, 34977275, 48968185, 67514275, 94519985, 116124553, 244840925, 472599925, 580622765, 812871871, 2903113825, 4064359355, 20321796775]

約数ペア:

[(1, 20321796775), (5, 4064359355), (7, 2903113825), (25, 812871871), (35, 580622765), (43, 472599925), (83, 244840925), (175, 116124553), (215, 94519985), (301, 67514275), (415, 48968185), (581, 34977275), (1075, 18903997), (1505, 13502855), (2075, 9793637), (2905, 6995455), (3569, 5693975), (7525, 2700571), (14525, 1399091), (17845, 1138795), (24983, 813425), (32537, 624575), (89225, 227759), (124915, 162685)]