20047993328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1279877}}^1$

素因数の和:1279985

約数の個数: 40

約数和(自身を含む): 42850315440

約数和(自身を除く): 22802322112

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 15664, 1279877, 2559754, 5119508, 10239016, 14078647, 20478032, 28157294, 56314588, 112629176, 113909053, 225258352, 227818106, 455636212, 911272424, 1252999583, 1822544848, 2505999166, 5011998332, 10023996664, 20047993328]

約数ペア:

[(1, 20047993328), (2, 10023996664), (4, 5011998332), (8, 2505999166), (11, 1822544848), (16, 1252999583), (22, 911272424), (44, 455636212), (88, 227818106), (89, 225258352), (176, 113909053), (178, 112629176), (356, 56314588), (712, 28157294), (979, 20478032), (1424, 14078647), (1958, 10239016), (3916, 5119508), (7832, 2559754), (15664, 1279877)]