20923408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6257}}^1$

素因数の和:6295

約数の個数: 40

約数和(自身を含む): 46559520

約数和(自身を除く): 25636112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6257, 12514, 25028, 50056, 68827, 100112, 118883, 137654, 237766, 275308, 475532, 550616, 951064, 1101232, 1307713, 1902128, 2615426, 5230852, 10461704, 20923408]

約数ペア:

[(1, 20923408), (2, 10461704), (4, 5230852), (8, 2615426), (11, 1902128), (16, 1307713), (19, 1101232), (22, 951064), (38, 550616), (44, 475532), (76, 275308), (88, 237766), (152, 137654), (176, 118883), (209, 100112), (304, 68827), (418, 50056), (836, 25028), (1672, 12514), (3344, 6257)]