20881973844

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1113349}}^1$

素因数の和:1113880

約数の個数: 36

約数和(自身を含む): 52886351700

約数和(自身を除く): 32004377856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378, 18756, 1113349, 2226698, 3340047, 4453396, 6680094, 10020141, 13360188, 20040282, 40080564, 580054829, 1160109658, 1740164487, 2320219316, 3480328974, 5220493461, 6960657948, 10440986922, 20881973844]

約数ペア:

[(1, 20881973844), (2, 10440986922), (3, 6960657948), (4, 5220493461), (6, 3480328974), (9, 2320219316), (12, 1740164487), (18, 1160109658), (36, 580054829), (521, 40080564), (1042, 20040282), (1563, 13360188), (2084, 10020141), (3126, 6680094), (4689, 4453396), (6252, 3340047), (9378, 2226698), (18756, 1113349)]