20009014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 13283786

約数列:

[1, 2, 19, 29, 38, 58, 67, 134, 271, 542, 551, 1102, 1273, 1943, 2546, 3886, 5149, 7859, 10298, 15718, 18157, 36314, 36917, 73834, 149321, 298642, 344983, 526553, 689966, 1053106, 10004507, 20009014]

約数ペア:

[(1, 20009014), (2, 10004507), (19, 1053106), (29, 689966), (38, 526553), (58, 344983), (67, 298642), (134, 149321), (271, 73834), (542, 36917), (551, 36314), (1102, 18157), (1273, 15718), (1943, 10298), (2546, 7859), (3886, 5149)]