16820276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 17653324

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 113, 187, 199, 226, 374, 398, 452, 748, 796, 1243, 1921, 2189, 2486, 3383, 3842, 4378, 4972, 6766, 7684, 8756, 13532, 21131, 22487, 37213, 42262, 44974, 74426, 84524, 89948, 148852, 247357, 382279, 494714, 764558, 989428, 1529116, 4205069, 8410138, 16820276]

約数ペア:

[(1, 16820276), (2, 8410138), (4, 4205069), (11, 1529116), (17, 989428), (22, 764558), (34, 494714), (44, 382279), (68, 247357), (113, 148852), (187, 89948), (199, 84524), (226, 74426), (374, 44974), (398, 42262), (452, 37213), (748, 22487), (796, 21131), (1243, 13532), (1921, 8756), (2189, 7684), (2486, 6766), (3383, 4972), (3842, 4378)]