20793957649985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{2267}}^1\times {\mathrm{9511}}^1$

素因数の和:12234

約数の個数: 64

約数和(自身を含む): 27682405599744

約数和(自身を除く): 6888447949759

約数列:

[1, 5, 13, 37, 65, 185, 401, 481, 2005, 2267, 2405, 5213, 9511, 11335, 14837, 26065, 29471, 47555, 74185, 83879, 123643, 147355, 192881, 351907, 419395, 618215, 909067, 964405, 1090427, 1759535, 3813911, 4545335, 4574791, 5452135, 11817871, 19069555, 21561437, 22873955, 33635479, 49580843, 59089355, 107807185, 141114707, 168177395, 247904215, 280298681, 437261227, 705573535, 797773169, 1401493405, 1834491191, 2186306135, 3988865845, 8646136237, 9172455955, 10371051197, 43230681185, 51855255985, 112399771081, 319907040769, 561998855405, 1599535203845, 4158791529997, 20793957649985]

約数ペア:

[(1, 20793957649985), (5, 4158791529997), (13, 1599535203845), (37, 561998855405), (65, 319907040769), (185, 112399771081), (401, 51855255985), (481, 43230681185), (2005, 10371051197), (2267, 9172455955), (2405, 8646136237), (5213, 3988865845), (9511, 2186306135), (11335, 1834491191), (14837, 1401493405), (26065, 797773169), (29471, 705573535), (47555, 437261227), (74185, 280298681), (83879, 247904215), (123643, 168177395), (147355, 141114707), (192881, 107807185), (351907, 59089355), (419395, 49580843), (618215, 33635479), (909067, 22873955), (964405, 21561437), (1090427, 19069555), (1759535, 11817871), (3813911, 5452135), (4545335, 4574791)]