20736856

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^2$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 46378800

約数和(自身を除く): 25641944

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 113, 116, 203, 226, 232, 406, 452, 791, 812, 904, 1582, 1624, 3164, 3277, 6328, 6554, 12769, 13108, 22939, 25538, 26216, 45878, 51076, 89383, 91756, 102152, 178766, 183512, 357532, 370301, 715064, 740602, 1481204, 2592107, 2962408, 5184214, 10368428, 20736856]

約数ペア:

[(1, 20736856), (2, 10368428), (4, 5184214), (7, 2962408), (8, 2592107), (14, 1481204), (28, 740602), (29, 715064), (56, 370301), (58, 357532), (113, 183512), (116, 178766), (203, 102152), (226, 91756), (232, 89383), (406, 51076), (452, 45878), (791, 26216), (812, 25538), (904, 22939), (1582, 13108), (1624, 12769), (3164, 6554), (3277, 6328)]