20737822

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 37269504

約数和(自身を除く): 16531682

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 673, 994, 1346, 2201, 4402, 4711, 9422, 15407, 20863, 30814, 41726, 47783, 95566, 146041, 292082, 334481, 668962, 1481273, 2962546, 10368911, 20737822]

約数ペア:

[(1, 20737822), (2, 10368911), (7, 2962546), (14, 1481273), (31, 668962), (62, 334481), (71, 292082), (142, 146041), (217, 95566), (434, 47783), (497, 41726), (673, 30814), (994, 20863), (1346, 15407), (2201, 9422), (4402, 4711)]