20081572

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3533}}^1$

素因数の和:3580

約数の個数: 36

約数和(自身を含む): 42301980

約数和(自身を除く): 22220408

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3533, 5684, 7066, 14132, 24731, 49462, 98924, 102457, 173117, 204914, 346234, 409828, 692468, 717199, 1434398, 2868796, 5020393, 10040786, 20081572]

約数ペア:

[(1, 20081572), (2, 10040786), (4, 5020393), (7, 2868796), (14, 1434398), (28, 717199), (29, 692468), (49, 409828), (58, 346234), (98, 204914), (116, 173117), (196, 102457), (203, 98924), (406, 49462), (812, 24731), (1421, 14132), (2842, 7066), (3533, 5684)]