20201563902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258994409}}^1$

素因数の和:258994427

約数の個数: 16

約数和(自身を含む): 43511060880

約数和(自身を除く): 23309496978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258994409, 517988818, 776983227, 1553966454, 3366927317, 6733854634, 10100781951, 20201563902]

約数ペア:

[(1, 20201563902), (2, 10100781951), (3, 6733854634), (6, 3366927317), (13, 1553966454), (26, 776983227), (39, 517988818), (78, 258994409)]