20852538

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3733}}^1$

素因数の和:3771

約数の個数: 48

約数和(自身を含む): 51081120

約数和(自身を除く): 30228582

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3733, 5586, 7466, 11199, 22398, 26131, 52262, 70927, 78393, 141854, 156786, 182917, 212781, 365834, 425562, 496489, 548751, 992978, 1097502, 1489467, 2978934, 3475423, 6950846, 10426269, 20852538]

約数ペア:

[(1, 20852538), (2, 10426269), (3, 6950846), (6, 3475423), (7, 2978934), (14, 1489467), (19, 1097502), (21, 992978), (38, 548751), (42, 496489), (49, 425562), (57, 365834), (98, 212781), (114, 182917), (133, 156786), (147, 141854), (266, 78393), (294, 70927), (399, 52262), (798, 26131), (931, 22398), (1862, 11199), (2793, 7466), (3733, 5586)]