20245221

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10867}}^1$

素因数の和:10902

約数の個数: 20

約数和(自身を含む): 31560672

約数和(自身を除く): 11315451

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10867, 32601, 97803, 249941, 293409, 749823, 880227, 2249469, 6748407, 20245221]

約数ペア:

[(1, 20245221), (3, 6748407), (9, 2249469), (23, 880227), (27, 749823), (69, 293409), (81, 249941), (207, 97803), (621, 32601), (1863, 10867)]