20148310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3197

約数の個数: 48

約数和(自身を含む): 45447696

約数和(自身を除く): 25299386

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3163, 3185, 6326, 6370, 15815, 22141, 31630, 41119, 44282, 82238, 110705, 154987, 205595, 221410, 287833, 309974, 411190, 575666, 774935, 1439165, 1549870, 2014831, 2878330, 4029662, 10074155, 20148310]

約数ペア:

[(1, 20148310), (2, 10074155), (5, 4029662), (7, 2878330), (10, 2014831), (13, 1549870), (14, 1439165), (26, 774935), (35, 575666), (49, 411190), (65, 309974), (70, 287833), (91, 221410), (98, 205595), (130, 154987), (182, 110705), (245, 82238), (455, 44282), (490, 41119), (637, 31630), (910, 22141), (1274, 15815), (3163, 6370), (3185, 6326)]