20139560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4231}}^1$

素因数の和:4266

約数の個数: 64

約数和(自身を含む): 54846720

約数和(自身を除く): 34707160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4231, 4760, 8462, 16924, 21155, 29617, 33848, 42310, 59234, 71927, 84620, 118468, 143854, 148085, 169240, 236936, 287708, 296170, 359635, 503489, 575416, 592340, 719270, 1006978, 1184680, 1438540, 2013956, 2517445, 2877080, 4027912, 5034890, 10069780, 20139560]

約数ペア:

[(1, 20139560), (2, 10069780), (4, 5034890), (5, 4027912), (7, 2877080), (8, 2517445), (10, 2013956), (14, 1438540), (17, 1184680), (20, 1006978), (28, 719270), (34, 592340), (35, 575416), (40, 503489), (56, 359635), (68, 296170), (70, 287708), (85, 236936), (119, 169240), (136, 148085), (140, 143854), (170, 118468), (238, 84620), (280, 71927), (340, 59234), (476, 42310), (595, 33848), (680, 29617), (952, 21155), (1190, 16924), (2380, 8462), (4231, 4760)]