20891184387

素因数分解:

$3^1\times {\mathrm{433}}^1\times {\mathrm{3121}}^1\times {\mathrm{5153}}^1$

素因数の和:8710

約数の個数: 16

約数和(自身を含む): 27933607968

約数和(自身を除く): 7042423581

約数列:

[1, 3, 433, 1299, 3121, 5153, 9363, 15459, 1351393, 2231249, 4054179, 6693747, 16082513, 48247539, 6963728129, 20891184387]

約数ペア:

[(1, 20891184387), (3, 6963728129), (433, 48247539), (1299, 16082513), (3121, 6693747), (5153, 4054179), (9363, 2231249), (15459, 1351393)]