20165361665944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1\times {\mathrm{1851029}}^1$

素因数の和:1853968

約数の個数: 64

約数和(自身を含む): 42221253888000

約数和(自身を除く): 22055892222056

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 2879, 3784, 5758, 11516, 23032, 31669, 63338, 123797, 126676, 247594, 253352, 495188, 990376, 1361767, 1851029, 2723534, 3702058, 5447068, 7404116, 10894136, 14808232, 20361319, 40722638, 79594247, 81445276, 159188494, 162890552, 318376988, 636753976, 875536717, 1751073434, 3502146868, 5329112491, 7004293736, 10658224982, 21316449964, 42632899928, 58620237401, 117240474802, 229151837113, 234480949604, 458303674226, 468961899208, 916607348452, 1833214696904, 2520670208243, 5041340416486, 10082680832972, 20165361665944]

約数ペア:

[(1, 20165361665944), (2, 10082680832972), (4, 5041340416486), (8, 2520670208243), (11, 1833214696904), (22, 916607348452), (43, 468961899208), (44, 458303674226), (86, 234480949604), (88, 229151837113), (172, 117240474802), (344, 58620237401), (473, 42632899928), (946, 21316449964), (1892, 10658224982), (2879, 7004293736), (3784, 5329112491), (5758, 3502146868), (11516, 1751073434), (23032, 875536717), (31669, 636753976), (63338, 318376988), (123797, 162890552), (126676, 159188494), (247594, 81445276), (253352, 79594247), (495188, 40722638), (990376, 20361319), (1361767, 14808232), (1851029, 10894136), (2723534, 7404116), (3702058, 5447068)]