20478252

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 49139552

約数和(自身を除く): 28661300

約数列:

[1, 2, 3, 4, 6, 12, 73, 97, 146, 194, 219, 241, 291, 292, 388, 438, 482, 582, 723, 876, 964, 1164, 1446, 2892, 7081, 14162, 17593, 21243, 23377, 28324, 35186, 42486, 46754, 52779, 70131, 70372, 84972, 93508, 105558, 140262, 211116, 280524, 1706521, 3413042, 5119563, 6826084, 10239126, 20478252]

約数ペア:

[(1, 20478252), (2, 10239126), (3, 6826084), (4, 5119563), (6, 3413042), (12, 1706521), (73, 280524), (97, 211116), (146, 140262), (194, 105558), (219, 93508), (241, 84972), (291, 70372), (292, 70131), (388, 52779), (438, 46754), (482, 42486), (582, 35186), (723, 28324), (876, 23377), (964, 21243), (1164, 17593), (1446, 14162), (2892, 7081)]