20458854

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 31826106

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 37, 39, 51, 74, 78, 102, 111, 117, 139, 153, 221, 222, 234, 278, 306, 333, 417, 442, 481, 629, 663, 666, 834, 962, 1251, 1258, 1326, 1443, 1807, 1887, 1989, 2363, 2502, 2886, 3614, 3774, 3978, 4329, 4726, 5143, 5421, 5661, 7089, 8177, 8658, 10286, 10842, 11322, 14178, 15429, 16263, 16354, 21267, 24531, 30719, 30858, 32526, 42534, 46287, 49062, 61438, 66859, 73593, 87431, 92157, 92574, 133718, 147186, 174862, 184314, 200577, 262293, 276471, 401154, 524586, 552942, 601731, 786879, 1136603, 1203462, 1573758, 2273206, 3409809, 6819618, 10229427, 20458854]

約数ペア:

[(1, 20458854), (2, 10229427), (3, 6819618), (6, 3409809), (9, 2273206), (13, 1573758), (17, 1203462), (18, 1136603), (26, 786879), (34, 601731), (37, 552942), (39, 524586), (51, 401154), (74, 276471), (78, 262293), (102, 200577), (111, 184314), (117, 174862), (139, 147186), (153, 133718), (221, 92574), (222, 92157), (234, 87431), (278, 73593), (306, 66859), (333, 61438), (417, 49062), (442, 46287), (481, 42534), (629, 32526), (663, 30858), (666, 30719), (834, 24531), (962, 21267), (1251, 16354), (1258, 16263), (1326, 15429), (1443, 14178), (1807, 11322), (1887, 10842), (1989, 10286), (2363, 8658), (2502, 8177), (2886, 7089), (3614, 5661), (3774, 5421), (3978, 5143), (4329, 4726)]