20751896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7607}}^1$

素因数の和:7655

約数の個数: 32

約数和(自身を含む): 43822080

約数和(自身を除く): 23070184

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7607, 15214, 30428, 60856, 83677, 167354, 235817, 334708, 471634, 669416, 943268, 1886536, 2593987, 5187974, 10375948, 20751896]

約数ペア:

[(1, 20751896), (2, 10375948), (4, 5187974), (8, 2593987), (11, 1886536), (22, 943268), (31, 669416), (44, 471634), (62, 334708), (88, 235817), (124, 167354), (248, 83677), (341, 60856), (682, 30428), (1364, 15214), (2728, 7607)]