20325996

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 33610068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 47, 82, 94, 123, 141, 164, 188, 246, 282, 293, 369, 423, 492, 564, 586, 738, 846, 879, 1172, 1476, 1692, 1758, 1927, 2637, 3516, 3854, 5274, 5781, 7708, 10548, 11562, 12013, 13771, 17343, 23124, 24026, 27542, 34686, 36039, 41313, 48052, 55084, 69372, 72078, 82626, 108117, 123939, 144156, 165252, 216234, 247878, 432468, 495756, 564611, 1129222, 1693833, 2258444, 3387666, 5081499, 6775332, 10162998, 20325996]

約数ペア:

[(1, 20325996), (2, 10162998), (3, 6775332), (4, 5081499), (6, 3387666), (9, 2258444), (12, 1693833), (18, 1129222), (36, 564611), (41, 495756), (47, 432468), (82, 247878), (94, 216234), (123, 165252), (141, 144156), (164, 123939), (188, 108117), (246, 82626), (282, 72078), (293, 69372), (369, 55084), (423, 48052), (492, 41313), (564, 36039), (586, 34686), (738, 27542), (846, 24026), (879, 23124), (1172, 17343), (1476, 13771), (1692, 12013), (1758, 11562), (1927, 10548), (2637, 7708), (3516, 5781), (3854, 5274)]