20788432

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9769}}^1$

素因数の和:9803

約数の個数: 40

約数和(自身を含む): 48459200

約数和(自身を除く): 27670768

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9769, 19538, 39076, 68383, 78152, 136766, 156304, 185611, 273532, 371222, 547064, 742444, 1094128, 1299277, 1484888, 2598554, 2969776, 5197108, 10394216, 20788432]

約数ペア:

[(1, 20788432), (2, 10394216), (4, 5197108), (7, 2969776), (8, 2598554), (14, 1484888), (16, 1299277), (19, 1094128), (28, 742444), (38, 547064), (56, 371222), (76, 273532), (112, 185611), (133, 156304), (152, 136766), (266, 78152), (304, 68383), (532, 39076), (1064, 19538), (2128, 9769)]