20565012777

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{21859}}^1$

素因数の和:22073

約数の個数: 32

約数和(自身を含む): 28689413760

約数和(自身を除く): 8124400983

約数列:

[1, 3, 53, 61, 97, 159, 183, 291, 3233, 5141, 5917, 9699, 15423, 17751, 21859, 65577, 313601, 940803, 1158527, 1333399, 2120323, 3475581, 4000197, 6360969, 70670147, 112377119, 129339703, 212010441, 337131357, 388019109, 6855004259, 20565012777]

約数ペア:

[(1, 20565012777), (3, 6855004259), (53, 388019109), (61, 337131357), (97, 212010441), (159, 129339703), (183, 112377119), (291, 70670147), (3233, 6360969), (5141, 4000197), (5917, 3475581), (9699, 2120323), (15423, 1333399), (17751, 1158527), (21859, 940803), (65577, 313601)]