20194956

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7901}}^1$

素因数の和:7982

約数の個数: 36

約数和(自身を含む): 51773904

約数和(自身を除く): 31578948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7901, 15802, 23703, 31604, 47406, 71109, 94812, 142218, 284436, 560971, 1121942, 1682913, 2243884, 3365826, 5048739, 6731652, 10097478, 20194956]

約数ペア:

[(1, 20194956), (2, 10097478), (3, 6731652), (4, 5048739), (6, 3365826), (9, 2243884), (12, 1682913), (18, 1121942), (36, 560971), (71, 284436), (142, 142218), (213, 94812), (284, 71109), (426, 47406), (639, 31604), (852, 23703), (1278, 15802), (2556, 7901)]