20128735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6203}}^1$

素因数の和:6278

約数の個数: 16

約数和(自身を含む): 26801280

約数和(自身を除く): 6672545

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6203, 31015, 68233, 341165, 365977, 1829885, 4025747, 20128735]

約数ペア:

[(1, 20128735), (5, 4025747), (11, 1829885), (55, 365977), (59, 341165), (295, 68233), (649, 31015), (3245, 6203)]