20125864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12037}}^1$

素因数の和:12073

約数の個数: 32

約数和(自身を含む): 43336800

約数和(自身を除く): 23210936

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12037, 24074, 48148, 96296, 132407, 228703, 264814, 457406, 529628, 914812, 1059256, 1829624, 2515733, 5031466, 10062932, 20125864]

約数ペア:

[(1, 20125864), (2, 10062932), (4, 5031466), (8, 2515733), (11, 1829624), (19, 1059256), (22, 914812), (38, 529628), (44, 457406), (76, 264814), (88, 228703), (152, 132407), (209, 96296), (418, 48148), (836, 24074), (1672, 12037)]