20660164

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4583}}^1$

素因数の和:4624

約数の個数: 36

約数和(自身を含む): 43896384

約数和(自身を除く): 23236220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4583, 9166, 18332, 32081, 64162, 105409, 128324, 210818, 224567, 421636, 449134, 737863, 898268, 1475726, 2951452, 5165041, 10330082, 20660164]

約数ペア:

[(1, 20660164), (2, 10330082), (4, 5165041), (7, 2951452), (14, 1475726), (23, 898268), (28, 737863), (46, 449134), (49, 421636), (92, 224567), (98, 210818), (161, 128324), (196, 105409), (322, 64162), (644, 32081), (1127, 18332), (2254, 9166), (4508, 4583)]