20357510110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{9137}}^1\times {\mathrm{4547}}^1$

素因数の和:13705

約数の個数: 48

約数和(自身を含む): 42640174224

約数和(自身を除く): 22282664114

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4547, 9094, 9137, 18274, 22735, 31829, 45470, 45685, 63658, 63959, 91370, 127918, 159145, 222803, 318290, 319795, 445606, 447713, 639590, 895426, 1114015, 2228030, 2238565, 4477130, 41545939, 83091878, 207729695, 290821573, 415459390, 581643146, 1454107865, 2035751011, 2908215730, 4071502022, 10178755055, 20357510110]

約数ペア:

[(1, 20357510110), (2, 10178755055), (5, 4071502022), (7, 2908215730), (10, 2035751011), (14, 1454107865), (35, 581643146), (49, 415459390), (70, 290821573), (98, 207729695), (245, 83091878), (490, 41545939), (4547, 4477130), (9094, 2238565), (9137, 2228030), (18274, 1114015), (22735, 895426), (31829, 639590), (45470, 447713), (45685, 445606), (63658, 319795), (63959, 318290), (91370, 222803), (127918, 159145)]