20657202644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4095401}}^1$

素因数の和:4095515

約数の個数: 24

約数和(自身を含む): 39332240808

約数和(自身を除く): 18675038164

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 4095401, 8190802, 16381604, 53240213, 106480426, 212960852, 397253897, 794507794, 1589015588, 5164300661, 10328601322, 20657202644]

約数ペア:

[(1, 20657202644), (2, 10328601322), (4, 5164300661), (13, 1589015588), (26, 794507794), (52, 397253897), (97, 212960852), (194, 106480426), (388, 53240213), (1261, 16381604), (2522, 8190802), (5044, 4095401)]