20036044

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 42448896

約数和(自身を除く): 22412852

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 563, 574, 868, 1126, 1148, 1271, 2252, 2542, 3941, 5084, 7882, 8897, 15764, 17453, 17794, 23083, 34906, 35588, 46166, 69812, 92332, 122171, 161581, 244342, 323162, 488684, 646324, 715573, 1431146, 2862292, 5009011, 10018022, 20036044]

約数ペア:

[(1, 20036044), (2, 10018022), (4, 5009011), (7, 2862292), (14, 1431146), (28, 715573), (31, 646324), (41, 488684), (62, 323162), (82, 244342), (124, 161581), (164, 122171), (217, 92332), (287, 69812), (434, 46166), (563, 35588), (574, 34906), (868, 23083), (1126, 17794), (1148, 17453), (1271, 15764), (2252, 8897), (2542, 7882), (3941, 5084)]