20594259

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 38093328

約数和(自身を除く): 17499069

約数列:

[1, 3, 7, 9, 17, 21, 41, 49, 51, 63, 67, 119, 123, 147, 153, 201, 287, 357, 369, 441, 469, 603, 697, 833, 861, 1071, 1139, 1407, 2009, 2091, 2499, 2583, 2747, 3283, 3417, 4221, 4879, 6027, 6273, 7497, 7973, 8241, 9849, 10251, 14637, 18081, 19229, 23919, 24723, 29547, 34153, 43911, 46699, 55811, 57687, 71757, 102459, 134603, 140097, 167433, 173061, 307377, 326893, 403809, 420291, 502299, 980679, 1211427, 2288251, 2942037, 6864753, 20594259]

約数ペア:

[(1, 20594259), (3, 6864753), (7, 2942037), (9, 2288251), (17, 1211427), (21, 980679), (41, 502299), (49, 420291), (51, 403809), (63, 326893), (67, 307377), (119, 173061), (123, 167433), (147, 140097), (153, 134603), (201, 102459), (287, 71757), (357, 57687), (369, 55811), (441, 46699), (469, 43911), (603, 34153), (697, 29547), (833, 24723), (861, 23919), (1071, 19229), (1139, 18081), (1407, 14637), (2009, 10251), (2091, 9849), (2499, 8241), (2583, 7973), (2747, 7497), (3283, 6273), (3417, 6027), (4221, 4879)]