20193807

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2371}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 28691712

約数和(自身を除く): 8497905

約数列:

[1, 3, 17, 51, 167, 501, 2371, 2839, 7113, 8517, 40307, 120921, 395957, 1187871, 6731269, 20193807]

約数ペア:

[(1, 20193807), (3, 6731269), (17, 1187871), (51, 395957), (167, 120921), (501, 40307), (2371, 8517), (2839, 7113)]