20339172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 60156096

約数和(自身を除く): 39816924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 1877, 2709, 3612, 3754, 5418, 5631, 7508, 10836, 11262, 13139, 16893, 22524, 26278, 33786, 39417, 52556, 67572, 78834, 80711, 118251, 157668, 161422, 236502, 242133, 322844, 473004, 484266, 564977, 726399, 968532, 1129954, 1452798, 1694931, 2259908, 2905596, 3389862, 5084793, 6779724, 10169586, 20339172]

約数ペア:

[(1, 20339172), (2, 10169586), (3, 6779724), (4, 5084793), (6, 3389862), (7, 2905596), (9, 2259908), (12, 1694931), (14, 1452798), (18, 1129954), (21, 968532), (28, 726399), (36, 564977), (42, 484266), (43, 473004), (63, 322844), (84, 242133), (86, 236502), (126, 161422), (129, 157668), (172, 118251), (252, 80711), (258, 78834), (301, 67572), (387, 52556), (516, 39417), (602, 33786), (774, 26278), (903, 22524), (1204, 16893), (1548, 13139), (1806, 11262), (1877, 10836), (2709, 7508), (3612, 5631), (3754, 5418)]