20171676840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2741}}^1\times {\mathrm{8761}}^1$

素因数の和:11523

約数の個数: 128

約数和(自身を含む): 69193163520

約数和(自身を除く): 49021486680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2741, 5482, 8223, 8761, 10964, 13705, 16446, 17522, 19187, 21928, 26283, 27410, 32892, 35044, 38374, 41115, 43805, 52566, 54820, 57561, 61327, 65784, 70088, 76748, 82230, 87610, 95935, 105132, 109640, 115122, 122654, 131415, 153496, 164460, 175220, 183981, 191870, 210264, 230244, 245308, 262830, 287805, 306635, 328920, 350440, 367962, 383740, 460488, 490616, 525660, 575610, 613270, 735924, 767480, 919905, 1051320, 1151220, 1226540, 1471848, 1839810, 2302440, 2453080, 3679620, 7359240, 24013901, 48027802, 72041703, 96055604, 120069505, 144083406, 168097307, 192111208, 240139010, 288166812, 336194614, 360208515, 480278020, 504291921, 576333624, 672389228, 720417030, 840486535, 960556040, 1008583842, 1344778456, 1440834060, 1680973070, 2017167684, 2521459605, 2881668120, 3361946140, 4034335368, 5042919210, 6723892280, 10085838420, 20171676840]

約数ペア:

[(1, 20171676840), (2, 10085838420), (3, 6723892280), (4, 5042919210), (5, 4034335368), (6, 3361946140), (7, 2881668120), (8, 2521459605), (10, 2017167684), (12, 1680973070), (14, 1440834060), (15, 1344778456), (20, 1008583842), (21, 960556040), (24, 840486535), (28, 720417030), (30, 672389228), (35, 576333624), (40, 504291921), (42, 480278020), (56, 360208515), (60, 336194614), (70, 288166812), (84, 240139010), (105, 192111208), (120, 168097307), (140, 144083406), (168, 120069505), (210, 96055604), (280, 72041703), (420, 48027802), (840, 24013901), (2741, 7359240), (5482, 3679620), (8223, 2453080), (8761, 2302440), (10964, 1839810), (13705, 1471848), (16446, 1226540), (17522, 1151220), (19187, 1051320), (21928, 919905), (26283, 767480), (27410, 735924), (32892, 613270), (35044, 575610), (38374, 525660), (41115, 490616), (43805, 460488), (52566, 383740), (54820, 367962), (57561, 350440), (61327, 328920), (65784, 306635), (70088, 287805), (76748, 262830), (82230, 245308), (87610, 230244), (95935, 210264), (105132, 191870), (109640, 183981), (115122, 175220), (122654, 164460), (131415, 153496)]