20193405

素因数分解:

$3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3391}}^1$

素因数の和:3796

約数の個数: 16

約数和(自身を含む): 32400384

約数和(自身を除く): 12206979

約数列:

[1, 3, 5, 15, 397, 1191, 1985, 3391, 5955, 10173, 16955, 50865, 1346227, 4038681, 6731135, 20193405]

約数ペア:

[(1, 20193405), (3, 6731135), (5, 4038681), (15, 1346227), (397, 50865), (1191, 16955), (1985, 10173), (3391, 5955)]