20150128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43427}}^1$

素因数の和:43464

約数の個数: 20

約数和(自身を含む): 40388040

約数和(自身を除く): 20237912

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43427, 86854, 173708, 347416, 694832, 1259383, 2518766, 5037532, 10075064, 20150128]

約数ペア:

[(1, 20150128), (2, 10075064), (4, 5037532), (8, 2518766), (16, 1259383), (29, 694832), (58, 347416), (116, 173708), (232, 86854), (464, 43427)]