20139100895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1\times {\mathrm{1783}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 25444264320

約数和(自身を除く): 5305163425

約数列:

[1, 5, 29, 61, 145, 305, 1277, 1769, 1783, 6385, 8845, 8915, 37033, 51707, 77897, 108763, 185165, 258535, 389485, 543815, 2259013, 2276891, 3154127, 11295065, 11384455, 15770635, 66029839, 138890351, 330149195, 694451755, 4027820179, 20139100895]

約数ペア:

[(1, 20139100895), (5, 4027820179), (29, 694451755), (61, 330149195), (145, 138890351), (305, 66029839), (1277, 15770635), (1769, 11384455), (1783, 11295065), (6385, 3154127), (8845, 2276891), (8915, 2259013), (37033, 543815), (51707, 389485), (77897, 258535), (108763, 185165)]