20789896544

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{769}}^1\times {\mathrm{27253}}^1$

素因数の和:28063

約数の個数: 48

約数和(自身を含む): 42306929280

約数和(自身を除く): 21517032736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 769, 992, 1538, 3076, 6152, 12304, 23839, 24608, 27253, 47678, 54506, 95356, 109012, 190712, 218024, 381424, 436048, 762848, 844843, 872096, 1689686, 3379372, 6758744, 13517488, 20957557, 27034976, 41915114, 83830228, 167660456, 335320912, 649684267, 670641824, 1299368534, 2598737068, 5197474136, 10394948272, 20789896544]

約数ペア:

[(1, 20789896544), (2, 10394948272), (4, 5197474136), (8, 2598737068), (16, 1299368534), (31, 670641824), (32, 649684267), (62, 335320912), (124, 167660456), (248, 83830228), (496, 41915114), (769, 27034976), (992, 20957557), (1538, 13517488), (3076, 6758744), (6152, 3379372), (12304, 1689686), (23839, 872096), (24608, 844843), (27253, 762848), (47678, 436048), (54506, 381424), (95356, 218024), (109012, 190712)]