20168952916

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{219409}}^1$

素因数の和:219501

約数の個数: 48

約数和(自身を含む): 41775664000

約数和(自身を除く): 21606711084

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 343, 469, 686, 938, 1372, 1876, 3283, 6566, 13132, 22981, 45962, 91924, 219409, 438818, 877636, 1535863, 3071726, 6143452, 10751041, 14700403, 21502082, 29400806, 43004164, 58801612, 75257287, 102902821, 150514574, 205805642, 301029148, 411611284, 720319747, 1440639494, 2881278988, 5042238229, 10084476458, 20168952916]

約数ペア:

[(1, 20168952916), (2, 10084476458), (4, 5042238229), (7, 2881278988), (14, 1440639494), (28, 720319747), (49, 411611284), (67, 301029148), (98, 205805642), (134, 150514574), (196, 102902821), (268, 75257287), (343, 58801612), (469, 43004164), (686, 29400806), (938, 21502082), (1372, 14700403), (1876, 10751041), (3283, 6143452), (6566, 3071726), (13132, 1535863), (22981, 877636), (45962, 438818), (91924, 219409)]