20210572278

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2857}}^1\times {\mathrm{3359}}^1$

素因数の和:6243

約数の個数: 80

約数和(自身を含む): 48801836160

約数和(自身を除く): 28591263882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 2857, 3359, 5714, 6718, 8571, 10077, 17142, 20154, 25713, 30231, 37141, 43667, 51426, 60462, 74282, 77139, 87334, 90693, 111423, 131001, 154278, 181386, 222846, 231417, 262002, 272079, 334269, 393003, 462834, 544158, 668538, 786006, 1002807, 1179009, 2005614, 2358018, 3008421, 3537027, 6016842, 7074054, 9596663, 19193326, 28789989, 57579978, 86369967, 124756619, 172739934, 249513238, 259109901, 374269857, 518219802, 748539714, 777329703, 1122809571, 1554659406, 2245619142, 3368428713, 6736857426, 10105286139, 20210572278]

約数ペア:

[(1, 20210572278), (2, 10105286139), (3, 6736857426), (6, 3368428713), (9, 2245619142), (13, 1554659406), (18, 1122809571), (26, 777329703), (27, 748539714), (39, 518219802), (54, 374269857), (78, 259109901), (81, 249513238), (117, 172739934), (162, 124756619), (234, 86369967), (351, 57579978), (702, 28789989), (1053, 19193326), (2106, 9596663), (2857, 7074054), (3359, 6016842), (5714, 3537027), (6718, 3008421), (8571, 2358018), (10077, 2005614), (17142, 1179009), (20154, 1002807), (25713, 786006), (30231, 668538), (37141, 544158), (43667, 462834), (51426, 393003), (60462, 334269), (74282, 272079), (77139, 262002), (87334, 231417), (90693, 222846), (111423, 181386), (131001, 154278)]