2043220016

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{128861}}^1$

素因数の和:129860

約数の個数: 20

約数和(自身を含む): 3962764224

約数和(自身を除く): 1919544208

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 15856, 128861, 257722, 515444, 1030888, 2061776, 127701251, 255402502, 510805004, 1021610008, 2043220016]

約数ペア:

[(1, 2043220016), (2, 1021610008), (4, 510805004), (8, 255402502), (16, 127701251), (991, 2061776), (1982, 1030888), (3964, 515444), (7928, 257722), (15856, 128861)]