20163957747

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{6563}}^1$

素因数の和:7003

約数の個数: 32

約数和(自身を含む): 28016202240

約数和(自身を除く): 7852244493

約数列:

[1, 3, 37, 89, 111, 267, 311, 933, 3293, 6563, 9879, 11507, 19689, 27679, 34521, 83037, 242831, 584107, 728493, 1024123, 1752321, 2041093, 3072369, 6123279, 21611959, 64835877, 75520441, 181657277, 226561323, 544971831, 6721319249, 20163957747]

約数ペア:

[(1, 20163957747), (3, 6721319249), (37, 544971831), (89, 226561323), (111, 181657277), (267, 75520441), (311, 64835877), (933, 21611959), (3293, 6123279), (6563, 3072369), (9879, 2041093), (11507, 1752321), (19689, 1024123), (27679, 728493), (34521, 584107), (83037, 242831)]