20189965803

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18140131}}^1$

素因数の和:18140194

約数の個数: 16

約数和(自身を含む): 31346148096

約数和(自身を除く): 11156182293

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18140131, 54420393, 126980917, 380942751, 961426943, 2884280829, 6729988601, 20189965803]

約数ペア:

[(1, 20189965803), (3, 6729988601), (7, 2884280829), (21, 961426943), (53, 380942751), (159, 126980917), (371, 54420393), (1113, 18140131)]