20894436

素因数分解:

$2^2\times 3^4\times {\mathrm{64489}}^1$

素因数の和:64505

約数の個数: 30

約数和(自身を含む): 54623030

約数和(自身を除く): 33728594

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64489, 128978, 193467, 257956, 386934, 580401, 773868, 1160802, 1741203, 2321604, 3482406, 5223609, 6964812, 10447218, 20894436]

約数ペア:

[(1, 20894436), (2, 10447218), (3, 6964812), (4, 5223609), (6, 3482406), (9, 2321604), (12, 1741203), (18, 1160802), (27, 773868), (36, 580401), (54, 386934), (81, 257956), (108, 193467), (162, 128978), (324, 64489)]