20892592

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10973}}^1$

素因数の和:11005

約数の個数: 40

約数和(自身を含む): 48987936

約数和(自身を除く): 28095344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10973, 21946, 43892, 76811, 87784, 153622, 175568, 186541, 307244, 373082, 614488, 746164, 1228976, 1305787, 1492328, 2611574, 2984656, 5223148, 10446296, 20892592]

約数ペア:

[(1, 20892592), (2, 10446296), (4, 5223148), (7, 2984656), (8, 2611574), (14, 1492328), (16, 1305787), (17, 1228976), (28, 746164), (34, 614488), (56, 373082), (68, 307244), (112, 186541), (119, 175568), (136, 153622), (238, 87784), (272, 76811), (476, 43892), (952, 21946), (1904, 10973)]