20797645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6199}}^1$

素因数の和:6276

約数の個数: 16

約数和(自身を含む): 27676800

約数和(自身を除く): 6879155

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6199, 30995, 68189, 340945, 378139, 1890695, 4159529, 20797645]

約数ペア:

[(1, 20797645), (5, 4159529), (11, 1890695), (55, 378139), (61, 340945), (305, 68189), (671, 30995), (3355, 6199)]