20139069160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71925247}}^1$

素因数の和:71925265

約数の個数: 32

約数和(自身を含む): 51786178560

約数和(自身を除く): 31647109400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71925247, 143850494, 287700988, 359626235, 503476729, 575401976, 719252470, 1006953458, 1438504940, 2013906916, 2517383645, 2877009880, 4027813832, 5034767290, 10069534580, 20139069160]

約数ペア:

[(1, 20139069160), (2, 10069534580), (4, 5034767290), (5, 4027813832), (7, 2877009880), (8, 2517383645), (10, 2013906916), (14, 1438504940), (20, 1006953458), (28, 719252470), (35, 575401976), (40, 503476729), (56, 359626235), (70, 287700988), (140, 143850494), (280, 71925247)]