20166045865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{4799}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 29859840000

約数和(自身を除く): 9693794135

約数列:

[1, 5, 7, 19, 35, 71, 89, 95, 133, 355, 445, 497, 623, 665, 1349, 1691, 2485, 3115, 4799, 6319, 6745, 8455, 9443, 11837, 23995, 31595, 33593, 44233, 47215, 59185, 91181, 120061, 167965, 221165, 340729, 427111, 455905, 600305, 638267, 840427, 1703645, 2135555, 2385103, 2989777, 3191335, 4202135, 6473851, 8115109, 11925515, 14948885, 30324881, 32369255, 40575545, 45316957, 56805763, 151624405, 212274167, 226584785, 284028815, 576172739, 1061370835, 2880863695, 4033209173, 20166045865]

約数ペア:

[(1, 20166045865), (5, 4033209173), (7, 2880863695), (19, 1061370835), (35, 576172739), (71, 284028815), (89, 226584785), (95, 212274167), (133, 151624405), (355, 56805763), (445, 45316957), (497, 40575545), (623, 32369255), (665, 30324881), (1349, 14948885), (1691, 11925515), (2485, 8115109), (3115, 6473851), (4799, 4202135), (6319, 3191335), (6745, 2989777), (8455, 2385103), (9443, 2135555), (11837, 1703645), (23995, 840427), (31595, 638267), (33593, 600305), (44233, 455905), (47215, 427111), (59185, 340729), (91181, 221165), (120061, 167965)]