20120886

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 47611200

約数和(自身を除く): 27490314

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2179, 3078, 4358, 4617, 6537, 9234, 13074, 19611, 39222, 41401, 58833, 82802, 117666, 124203, 176499, 248406, 352998, 372609, 529497, 745218, 1058994, 1117827, 2235654, 3353481, 6706962, 10060443, 20120886]

約数ペア:

[(1, 20120886), (2, 10060443), (3, 6706962), (6, 3353481), (9, 2235654), (18, 1117827), (19, 1058994), (27, 745218), (38, 529497), (54, 372609), (57, 352998), (81, 248406), (114, 176499), (162, 124203), (171, 117666), (243, 82802), (342, 58833), (486, 41401), (513, 39222), (1026, 19611), (1539, 13074), (2179, 9234), (3078, 6537), (4358, 4617)]