20163690017

素因数分解:

${\mathrm{19}}^2\times {\mathrm{6781}}^1\times {\mathrm{8237}}^1$

素因数の和:15056

約数の個数: 12

約数和(自身を含む): 21286514196

約数和(自身を除く): 1122824179

約数列:

[1, 19, 361, 6781, 8237, 128839, 156503, 2447941, 2973557, 55855097, 1061246843, 20163690017]

約数ペア:

[(1, 20163690017), (19, 1061246843), (361, 55855097), (6781, 2973557), (8237, 2447941), (128839, 156503)]