20013778088

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2447}}^1\times {\mathrm{60139}}^1$

素因数の和:62609

約数の個数: 32

約数和(自身を含む): 39750134400

約数和(自身を除く): 19736356312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2447, 4894, 9788, 19576, 41599, 60139, 83198, 120278, 166396, 240556, 332792, 481112, 1022363, 2044726, 4089452, 8178904, 147160133, 294320266, 588640532, 1177281064, 2501722261, 5003444522, 10006889044, 20013778088]

約数ペア:

[(1, 20013778088), (2, 10006889044), (4, 5003444522), (8, 2501722261), (17, 1177281064), (34, 588640532), (68, 294320266), (136, 147160133), (2447, 8178904), (4894, 4089452), (9788, 2044726), (19576, 1022363), (41599, 481112), (60139, 332792), (83198, 240556), (120278, 166396)]