20199108891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1133317}}^1$

素因数の和:1133790

約数の個数: 16

約数和(自身を含む): 29067340064

約数和(自身を除く): 8868231173

約数列:

[1, 3, 13, 39, 457, 1371, 5941, 17823, 1133317, 3399951, 14733121, 44199363, 517925869, 1553777607, 6733036297, 20199108891]

約数ペア:

[(1, 20199108891), (3, 6733036297), (13, 1553777607), (39, 517925869), (457, 44199363), (1371, 14733121), (5941, 3399951), (17823, 1133317)]