20191552276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1\times {\mathrm{19697}}^1$

素因数の和:20920

約数の個数: 48

約数和(自身を含む): 41723200512

約数和(自身を除く): 21531648236

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1181, 2362, 4724, 8267, 16534, 19697, 33068, 36611, 39394, 73222, 78788, 137879, 146444, 256277, 275758, 512554, 551516, 610607, 1025108, 1221214, 2442428, 4274249, 8548498, 17096996, 23262157, 46524314, 93048628, 162835099, 325670198, 651340396, 721126867, 1442253734, 2884507468, 5047888069, 10095776138, 20191552276]

約数ペア:

[(1, 20191552276), (2, 10095776138), (4, 5047888069), (7, 2884507468), (14, 1442253734), (28, 721126867), (31, 651340396), (62, 325670198), (124, 162835099), (217, 93048628), (434, 46524314), (868, 23262157), (1181, 17096996), (2362, 8548498), (4724, 4274249), (8267, 2442428), (16534, 1221214), (19697, 1025108), (33068, 610607), (36611, 551516), (39394, 512554), (73222, 275758), (78788, 256277), (137879, 146444)]