20286508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 42172704

約数和(自身を除く): 21886196

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 733, 748, 814, 1258, 1466, 1628, 2516, 2932, 6919, 8063, 12461, 13838, 16126, 24922, 27121, 27676, 32252, 49844, 54242, 108484, 137071, 274142, 298331, 461057, 548284, 596662, 922114, 1193324, 1844228, 5071627, 10143254, 20286508]

約数ペア:

[(1, 20286508), (2, 10143254), (4, 5071627), (11, 1844228), (17, 1193324), (22, 922114), (34, 596662), (37, 548284), (44, 461057), (68, 298331), (74, 274142), (148, 137071), (187, 108484), (374, 54242), (407, 49844), (629, 32252), (733, 27676), (748, 27121), (814, 24922), (1258, 16126), (1466, 13838), (1628, 12461), (2516, 8063), (2932, 6919)]