20131269296

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11543159}}^1$

素因数の和:11543276

約数の個数: 20

約数和(自身を含む): 39362175600

約数和(自身を除く): 19230906304

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11543159, 23086318, 46172636, 92345272, 184690544, 1258204331, 2516408662, 5032817324, 10065634648, 20131269296]

約数ペア:

[(1, 20131269296), (2, 10065634648), (4, 5032817324), (8, 2516408662), (16, 1258204331), (109, 184690544), (218, 92345272), (436, 46172636), (872, 23086318), (1744, 11543159)]