20565543172

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{5563}}^1$

素因数の和:5876

約数の個数: 48

約数和(自身を含む): 37187550400

約数和(自身を除く): 16622007228

約数列:

[1, 2, 4, 61, 109, 122, 139, 218, 244, 278, 436, 556, 5563, 6649, 8479, 11126, 13298, 15151, 16958, 22252, 26596, 30302, 33916, 60604, 339343, 606367, 678686, 773257, 924211, 1212734, 1357372, 1546514, 1848422, 2425468, 3093028, 3696844, 36988387, 47168677, 73976774, 84285013, 94337354, 147953548, 168570026, 188674708, 337140052, 5141385793, 10282771586, 20565543172]

約数ペア:

[(1, 20565543172), (2, 10282771586), (4, 5141385793), (61, 337140052), (109, 188674708), (122, 168570026), (139, 147953548), (218, 94337354), (244, 84285013), (278, 73976774), (436, 47168677), (556, 36988387), (5563, 3696844), (6649, 3093028), (8479, 2425468), (11126, 1848422), (13298, 1546514), (15151, 1357372), (16958, 1212734), (22252, 924211), (26596, 773257), (30302, 678686), (33916, 606367), (60604, 339343)]