20312037

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 30950400

約数和(自身を除く): 10638363

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 1549, 4371, 4647, 13113, 13941, 48019, 72803, 144057, 218409, 432171, 655227, 2256893, 6770679, 20312037]

約数ペア:

[(1, 20312037), (3, 6770679), (9, 2256893), (31, 655227), (47, 432171), (93, 218409), (141, 144057), (279, 72803), (423, 48019), (1457, 13941), (1549, 13113), (4371, 4647)]