20870752

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4051}}^1$

素因数の和:4091

約数の個数: 48

約数和(自身を含む): 49012992

約数和(自身を除く): 28142240

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4051, 5152, 8102, 16204, 28357, 32408, 56714, 64816, 93173, 113428, 129632, 186346, 226856, 372692, 453712, 652211, 745384, 907424, 1304422, 1490768, 2608844, 2981536, 5217688, 10435376, 20870752]

約数ペア:

[(1, 20870752), (2, 10435376), (4, 5217688), (7, 2981536), (8, 2608844), (14, 1490768), (16, 1304422), (23, 907424), (28, 745384), (32, 652211), (46, 453712), (56, 372692), (92, 226856), (112, 186346), (161, 129632), (184, 113428), (224, 93173), (322, 64816), (368, 56714), (644, 32408), (736, 28357), (1288, 16204), (2576, 8102), (4051, 5152)]