20790075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6815

約数の個数: 24

約数和(自身を含む): 35216496

約数和(自身を除く): 14426421

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6761, 20283, 33805, 101415, 169025, 277201, 507075, 831603, 1386005, 4158015, 6930025, 20790075]

約数ペア:

[(1, 20790075), (3, 6930025), (5, 4158015), (15, 1386005), (25, 831603), (41, 507075), (75, 277201), (123, 169025), (205, 101415), (615, 33805), (1025, 20283), (3075, 6761)]