20723778885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{6217}}^1$

素因数の和:6430

約数の個数: 64

約数和(自身を含む): 35099366400

約数和(自身を除く): 14375587515

約数列:

[1, 3, 5, 15, 29, 79, 87, 97, 145, 237, 291, 395, 435, 485, 1185, 1455, 2291, 2813, 6217, 6873, 7663, 8439, 11455, 14065, 18651, 22989, 31085, 34365, 38315, 42195, 93255, 114945, 180293, 222227, 491143, 540879, 603049, 666681, 901465, 1111135, 1473429, 1809147, 2455715, 2704395, 3015245, 3333405, 7367145, 9045735, 14243147, 17488421, 42729441, 47640871, 52465263, 71215735, 87442105, 142922613, 213647205, 238204355, 262326315, 714613065, 1381585259, 4144755777, 6907926295, 20723778885]

約数ペア:

[(1, 20723778885), (3, 6907926295), (5, 4144755777), (15, 1381585259), (29, 714613065), (79, 262326315), (87, 238204355), (97, 213647205), (145, 142922613), (237, 87442105), (291, 71215735), (395, 52465263), (435, 47640871), (485, 42729441), (1185, 17488421), (1455, 14243147), (2291, 9045735), (2813, 7367145), (6217, 3333405), (6873, 3015245), (7663, 2704395), (8439, 2455715), (11455, 1809147), (14065, 1473429), (18651, 1111135), (22989, 901465), (31085, 666681), (34365, 603049), (38315, 540879), (42195, 491143), (93255, 222227), (114945, 180293)]