20343477

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 35983872

約数和(自身を除く): 15640395

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 547, 759, 1127, 1617, 1641, 1771, 3381, 3829, 5313, 6017, 11487, 12397, 12581, 18051, 26803, 37191, 37743, 42119, 80409, 88067, 126357, 138391, 264201, 294833, 415173, 616469, 884499, 968737, 1849407, 2906211, 6781159, 20343477]

約数ペア:

[(1, 20343477), (3, 6781159), (7, 2906211), (11, 1849407), (21, 968737), (23, 884499), (33, 616469), (49, 415173), (69, 294833), (77, 264201), (147, 138391), (161, 126357), (231, 88067), (253, 80409), (483, 42119), (539, 37743), (547, 37191), (759, 26803), (1127, 18051), (1617, 12581), (1641, 12397), (1771, 11487), (3381, 6017), (3829, 5313)]