20642764

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 36994608

約数和(自身を除く): 16351844

約数列:

[1, 2, 4, 83, 97, 166, 194, 332, 388, 641, 1282, 2564, 8051, 16102, 32204, 53203, 62177, 106406, 124354, 212812, 248708, 5160691, 10321382, 20642764]

約数ペア:

[(1, 20642764), (2, 10321382), (4, 5160691), (83, 248708), (97, 212812), (166, 124354), (194, 106406), (332, 62177), (388, 53203), (641, 32204), (1282, 16102), (2564, 8051)]