20087408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6007}}^1$

素因数の和:6045

約数の個数: 40

約数和(自身を含む): 44699520

約数和(自身を除く): 24612112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6007, 12014, 24028, 48056, 66077, 96112, 114133, 132154, 228266, 264308, 456532, 528616, 913064, 1057232, 1255463, 1826128, 2510926, 5021852, 10043704, 20087408]

約数ペア:

[(1, 20087408), (2, 10043704), (4, 5021852), (8, 2510926), (11, 1826128), (16, 1255463), (19, 1057232), (22, 913064), (38, 528616), (44, 456532), (76, 264308), (88, 228266), (152, 132154), (176, 114133), (209, 96112), (304, 66077), (418, 48056), (836, 24028), (1672, 12014), (3344, 6007)]