20194125088

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{39989}}^1$

素因数の和:40409

約数の個数: 48

約数和(自身を含む): 40793639040

約数和(自身を除く): 20599513952

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 367, 688, 734, 1376, 1468, 2936, 5872, 11744, 15781, 31562, 39989, 63124, 79978, 126248, 159956, 252496, 319912, 504992, 639824, 1279648, 1719527, 3439054, 6878108, 13756216, 14675963, 27512432, 29351926, 55024864, 58703852, 117407704, 234815408, 469630816, 631066409, 1262132818, 2524265636, 5048531272, 10097062544, 20194125088]

約数ペア:

[(1, 20194125088), (2, 10097062544), (4, 5048531272), (8, 2524265636), (16, 1262132818), (32, 631066409), (43, 469630816), (86, 234815408), (172, 117407704), (344, 58703852), (367, 55024864), (688, 29351926), (734, 27512432), (1376, 14675963), (1468, 13756216), (2936, 6878108), (5872, 3439054), (11744, 1719527), (15781, 1279648), (31562, 639824), (39989, 504992), (63124, 319912), (79978, 252496), (126248, 159956)]