20070518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7643}}^1$

素因数の和:7759

約数の個数: 16

約数和(自身を含む): 32746896

約数和(自身を除く): 12676378

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7643, 15286, 99359, 198718, 771943, 1543886, 10035259, 20070518]

約数ペア:

[(1, 20070518), (2, 10035259), (13, 1543886), (26, 771943), (101, 198718), (202, 99359), (1313, 15286), (2626, 7643)]