20037220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8419}}^1$

素因数の和:8452

約数の個数: 48

約数和(自身を含む): 50924160

約数和(自身を除く): 30886940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8419, 16838, 33676, 42095, 58933, 84190, 117866, 143123, 168380, 235732, 286246, 294665, 572492, 589330, 715615, 1001861, 1178660, 1431230, 2003722, 2862460, 4007444, 5009305, 10018610, 20037220]

約数ペア:

[(1, 20037220), (2, 10018610), (4, 5009305), (5, 4007444), (7, 2862460), (10, 2003722), (14, 1431230), (17, 1178660), (20, 1001861), (28, 715615), (34, 589330), (35, 572492), (68, 294665), (70, 286246), (85, 235732), (119, 168380), (140, 143123), (170, 117866), (238, 84190), (340, 58933), (476, 42095), (595, 33676), (1190, 16838), (2380, 8419)]