20807009470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10009}}^1\times {\mathrm{15991}}^1$

素因数の和:26020

約数の個数: 32

約数和(自身を含む): 40340139840

約数和(自身を除く): 19533130370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 10009, 15991, 20018, 31982, 50045, 79955, 100090, 130117, 159910, 207883, 260234, 415766, 650585, 1039415, 1301170, 2078830, 160053919, 320107838, 800269595, 1600539190, 2080700947, 4161401894, 10403504735, 20807009470]

約数ペア:

[(1, 20807009470), (2, 10403504735), (5, 4161401894), (10, 2080700947), (13, 1600539190), (26, 800269595), (65, 320107838), (130, 160053919), (10009, 2078830), (15991, 1301170), (20018, 1039415), (31982, 650585), (50045, 415766), (79955, 260234), (100090, 207883), (130117, 159910)]