20005722

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 49690368

約数和(自身を除く): 29684646

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 191, 198, 207, 253, 382, 414, 506, 529, 573, 759, 1058, 1146, 1518, 1587, 1719, 2101, 2277, 3174, 3438, 4202, 4393, 4554, 4761, 5819, 6303, 8786, 9522, 11638, 12606, 13179, 17457, 18909, 26358, 34914, 37818, 39537, 48323, 52371, 79074, 96646, 101039, 104742, 144969, 202078, 289938, 303117, 434907, 606234, 869814, 909351, 1111429, 1818702, 2222858, 3334287, 6668574, 10002861, 20005722]

約数ペア:

[(1, 20005722), (2, 10002861), (3, 6668574), (6, 3334287), (9, 2222858), (11, 1818702), (18, 1111429), (22, 909351), (23, 869814), (33, 606234), (46, 434907), (66, 303117), (69, 289938), (99, 202078), (138, 144969), (191, 104742), (198, 101039), (207, 96646), (253, 79074), (382, 52371), (414, 48323), (506, 39537), (529, 37818), (573, 34914), (759, 26358), (1058, 18909), (1146, 17457), (1518, 13179), (1587, 12606), (1719, 11638), (2101, 9522), (2277, 8786), (3174, 6303), (3438, 5819), (4202, 4761), (4393, 4554)]