20716612

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5563}}^1$

素因数の和:5600

約数の個数: 36

約数和(自身を含む): 44400720

約数和(自身を除く): 23684108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5563, 11126, 22252, 38941, 77882, 105697, 155764, 211394, 272587, 422788, 545174, 739879, 1090348, 1479758, 2959516, 5179153, 10358306, 20716612]

約数ペア:

[(1, 20716612), (2, 10358306), (4, 5179153), (7, 2959516), (14, 1479758), (19, 1090348), (28, 739879), (38, 545174), (49, 422788), (76, 272587), (98, 211394), (133, 155764), (196, 105697), (266, 77882), (532, 38941), (931, 22252), (1862, 11126), (3724, 5563)]