20648133051

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11287}}^1\times {\mathrm{6701}}^1$

素因数の和:18011

約数の個数: 32

約数和(自身を含む): 33892174848

約数和(自身を除く): 13244041797

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 6701, 11287, 20103, 33861, 46907, 79009, 87113, 140721, 146731, 237027, 261339, 440193, 609791, 1027117, 1829373, 3081351, 75634187, 226902561, 529439309, 983244431, 1588317927, 2949733293, 6882711017, 20648133051]

約数ペア:

[(1, 20648133051), (3, 6882711017), (7, 2949733293), (13, 1588317927), (21, 983244431), (39, 529439309), (91, 226902561), (273, 75634187), (6701, 3081351), (11287, 1829373), (20103, 1027117), (33861, 609791), (46907, 440193), (79009, 261339), (87113, 237027), (140721, 146731)]