20778880317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{1823}}^1$

素因数の和:2090

約数の個数: 64

約数和(自身を含む): 31712034816

約数和(自身を除く): 10933154499

約数列:

[1, 3, 13, 23, 39, 69, 97, 131, 291, 299, 393, 897, 1261, 1703, 1823, 2231, 3013, 3783, 5109, 5469, 6693, 9039, 12707, 23699, 29003, 38121, 39169, 41929, 71097, 87009, 117507, 125787, 165191, 176831, 238813, 292261, 495573, 530493, 545077, 716439, 876783, 1635231, 2298803, 3104569, 3799393, 4067113, 5492699, 6896409, 9313707, 11398179, 12201339, 16478097, 23164861, 52872469, 69494583, 71405087, 158617407, 214215261, 301143193, 532791803, 903429579, 1598375409, 6926293439, 20778880317]

約数ペア:

[(1, 20778880317), (3, 6926293439), (13, 1598375409), (23, 903429579), (39, 532791803), (69, 301143193), (97, 214215261), (131, 158617407), (291, 71405087), (299, 69494583), (393, 52872469), (897, 23164861), (1261, 16478097), (1703, 12201339), (1823, 11398179), (2231, 9313707), (3013, 6896409), (3783, 5492699), (5109, 4067113), (5469, 3799393), (6693, 3104569), (9039, 2298803), (12707, 1635231), (23699, 876783), (29003, 716439), (38121, 545077), (39169, 530493), (41929, 495573), (71097, 292261), (87009, 238813), (117507, 176831), (125787, 165191)]