20461904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55603}}^1$

素因数の和:55634

約数の個数: 20

約数和(自身を含む): 41369376

約数和(自身を除く): 20907472

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55603, 111206, 222412, 444824, 889648, 1278869, 2557738, 5115476, 10230952, 20461904]

約数ペア:

[(1, 20461904), (2, 10230952), (4, 5115476), (8, 2557738), (16, 1278869), (23, 889648), (46, 444824), (92, 222412), (184, 111206), (368, 55603)]