20867936

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 22224064

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 113, 116, 199, 226, 232, 398, 452, 464, 796, 904, 928, 1592, 1808, 3184, 3277, 3616, 5771, 6368, 6554, 11542, 13108, 22487, 23084, 26216, 44974, 46168, 52432, 89948, 92336, 104864, 179896, 184672, 359792, 652123, 719584, 1304246, 2608492, 5216984, 10433968, 20867936]

約数ペア:

[(1, 20867936), (2, 10433968), (4, 5216984), (8, 2608492), (16, 1304246), (29, 719584), (32, 652123), (58, 359792), (113, 184672), (116, 179896), (199, 104864), (226, 92336), (232, 89948), (398, 52432), (452, 46168), (464, 44974), (796, 26216), (904, 23084), (928, 22487), (1592, 13108), (1808, 11542), (3184, 6554), (3277, 6368), (3616, 5771)]