20120388

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38993}}^1$

素因数の和:39043

約数の個数: 24

約数和(自身を含む): 48040608

約数和(自身を除く): 27920220

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38993, 77986, 116979, 155972, 233958, 467916, 1676699, 3353398, 5030097, 6706796, 10060194, 20120388]

約数ペア:

[(1, 20120388), (2, 10060194), (3, 6706796), (4, 5030097), (6, 3353398), (12, 1676699), (43, 467916), (86, 233958), (129, 155972), (172, 116979), (258, 77986), (516, 38993)]