20657364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18917}}^1$

素因数の和:18944

約数の個数: 48

約数和(自身を含む): 59326848

約数和(自身を除く): 38669484

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18917, 37834, 56751, 75668, 113502, 132419, 227004, 245921, 264838, 397257, 491842, 529676, 737763, 794514, 983684, 1475526, 1589028, 1721447, 2951052, 3442894, 5164341, 6885788, 10328682, 20657364]

約数ペア:

[(1, 20657364), (2, 10328682), (3, 6885788), (4, 5164341), (6, 3442894), (7, 2951052), (12, 1721447), (13, 1589028), (14, 1475526), (21, 983684), (26, 794514), (28, 737763), (39, 529676), (42, 491842), (52, 397257), (78, 264838), (84, 245921), (91, 227004), (156, 132419), (182, 113502), (273, 75668), (364, 56751), (546, 37834), (1092, 18917)]