20136959990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1483}}^1\times {\mathrm{193979}}^1$

素因数の和:195476

約数の個数: 32

約数和(自身を含む): 41452750080

約数和(自身を除く): 21315790090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1483, 2966, 7415, 10381, 14830, 20762, 51905, 103810, 193979, 387958, 969895, 1357853, 1939790, 2715706, 6789265, 13578530, 287670857, 575341714, 1438354285, 2013695999, 2876708570, 4027391998, 10068479995, 20136959990]

約数ペア:

[(1, 20136959990), (2, 10068479995), (5, 4027391998), (7, 2876708570), (10, 2013695999), (14, 1438354285), (35, 575341714), (70, 287670857), (1483, 13578530), (2966, 6789265), (7415, 2715706), (10381, 1939790), (14830, 1357853), (20762, 969895), (51905, 387958), (103810, 193979)]