20118582

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31773258

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 43, 51, 66, 86, 99, 102, 129, 139, 153, 187, 198, 258, 278, 306, 374, 387, 417, 473, 561, 731, 774, 834, 946, 1122, 1251, 1419, 1462, 1529, 1683, 2193, 2363, 2502, 2838, 3058, 3366, 4257, 4386, 4587, 4726, 5977, 6579, 7089, 8041, 8514, 9174, 11954, 13158, 13761, 14178, 16082, 17931, 21267, 24123, 25993, 27522, 35862, 42534, 48246, 51986, 53793, 65747, 72369, 77979, 101609, 107586, 131494, 144738, 155958, 197241, 203218, 233937, 304827, 394482, 467874, 591723, 609654, 914481, 1117699, 1183446, 1828962, 2235398, 3353097, 6706194, 10059291, 20118582]

約数ペア:

[(1, 20118582), (2, 10059291), (3, 6706194), (6, 3353097), (9, 2235398), (11, 1828962), (17, 1183446), (18, 1117699), (22, 914481), (33, 609654), (34, 591723), (43, 467874), (51, 394482), (66, 304827), (86, 233937), (99, 203218), (102, 197241), (129, 155958), (139, 144738), (153, 131494), (187, 107586), (198, 101609), (258, 77979), (278, 72369), (306, 65747), (374, 53793), (387, 51986), (417, 48246), (473, 42534), (561, 35862), (731, 27522), (774, 25993), (834, 24123), (946, 21267), (1122, 17931), (1251, 16082), (1419, 14178), (1462, 13761), (1529, 13158), (1683, 11954), (2193, 9174), (2363, 8514), (2502, 8041), (2838, 7089), (3058, 6579), (3366, 5977), (4257, 4726), (4386, 4587)]