20117791715

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 28381031424

約数和(自身を除く): 8263239709

約数列:

[1, 5, 7, 35, 107, 113, 137, 347, 535, 565, 685, 749, 791, 959, 1735, 2429, 3745, 3955, 4795, 12091, 12145, 14659, 15481, 37129, 39211, 47539, 60455, 73295, 77405, 84637, 102613, 108367, 185645, 196055, 237695, 259903, 274477, 332773, 423185, 513065, 541835, 1299515, 1372385, 1656467, 1663865, 4195577, 5086673, 5371907, 8282335, 11595269, 20977885, 25433365, 26859535, 29369039, 35606711, 37603349, 57976345, 146845195, 178033555, 188016745, 574794049, 2873970245, 4023558343, 20117791715]

約数ペア:

[(1, 20117791715), (5, 4023558343), (7, 2873970245), (35, 574794049), (107, 188016745), (113, 178033555), (137, 146845195), (347, 57976345), (535, 37603349), (565, 35606711), (685, 29369039), (749, 26859535), (791, 25433365), (959, 20977885), (1735, 11595269), (2429, 8282335), (3745, 5371907), (3955, 5086673), (4795, 4195577), (12091, 1663865), (12145, 1656467), (14659, 1372385), (15481, 1299515), (37129, 541835), (39211, 513065), (47539, 423185), (60455, 332773), (73295, 274477), (77405, 259903), (84637, 237695), (102613, 196055), (108367, 185645)]