20512690588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1\times {\mathrm{7019}}^1$

素因数の和:8386

約数の個数: 48

約数和(自身を含む): 39593473920

約数和(自身を除く): 19080783332

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 1307, 2236, 2614, 5228, 7019, 14038, 16991, 28076, 33982, 56201, 67964, 91247, 112402, 182494, 224804, 301817, 364988, 603634, 730613, 1207268, 1461226, 2922452, 3923621, 7847242, 9173833, 15694484, 18347666, 36695332, 119259829, 238519658, 394474819, 477039316, 788949638, 1577899276, 5128172647, 10256345294, 20512690588]

約数ペア:

[(1, 20512690588), (2, 10256345294), (4, 5128172647), (13, 1577899276), (26, 788949638), (43, 477039316), (52, 394474819), (86, 238519658), (172, 119259829), (559, 36695332), (1118, 18347666), (1307, 15694484), (2236, 9173833), (2614, 7847242), (5228, 3923621), (7019, 2922452), (14038, 1461226), (16991, 1207268), (28076, 730613), (33982, 603634), (56201, 364988), (67964, 301817), (91247, 224804), (112402, 182494)]