20613728

素因数分解:

$2^5\times {\mathrm{181}}^1\times {\mathrm{3559}}^1$

素因数の和:3750

約数の個数: 24

約数和(自身を含む): 40818960

約数和(自身を除く): 20205232

約数列:

[1, 2, 4, 8, 16, 32, 181, 362, 724, 1448, 2896, 3559, 5792, 7118, 14236, 28472, 56944, 113888, 644179, 1288358, 2576716, 5153432, 10306864, 20613728]

約数ペア:

[(1, 20613728), (2, 10306864), (4, 5153432), (8, 2576716), (16, 1288358), (32, 644179), (181, 113888), (362, 56944), (724, 28472), (1448, 14236), (2896, 7118), (3559, 5792)]