20686446

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 28554642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 191, 198, 382, 547, 573, 1094, 1146, 1641, 1719, 2101, 3282, 3438, 4202, 4923, 6017, 6303, 9846, 12034, 12606, 18051, 18909, 36102, 37818, 54153, 104477, 108306, 208954, 313431, 626862, 940293, 1149247, 1880586, 2298494, 3447741, 6895482, 10343223, 20686446]

約数ペア:

[(1, 20686446), (2, 10343223), (3, 6895482), (6, 3447741), (9, 2298494), (11, 1880586), (18, 1149247), (22, 940293), (33, 626862), (66, 313431), (99, 208954), (191, 108306), (198, 104477), (382, 54153), (547, 37818), (573, 36102), (1094, 18909), (1146, 18051), (1641, 12606), (1719, 12034), (2101, 9846), (3282, 6303), (3438, 6017), (4202, 4923)]