20528042018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{943471}}^1$

素因数の和:943550

約数の個数: 32

約数和(自身を含む): 35867031552

約数和(自身を除く): 15338989534

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 946, 989, 1978, 10879, 21758, 943471, 1886942, 10378181, 20756362, 21699833, 40569253, 43399666, 81138506, 238698163, 446261783, 477396326, 892523566, 933092819, 1866185638, 10264021009, 20528042018]

約数ペア:

[(1, 20528042018), (2, 10264021009), (11, 1866185638), (22, 933092819), (23, 892523566), (43, 477396326), (46, 446261783), (86, 238698163), (253, 81138506), (473, 43399666), (506, 40569253), (946, 21699833), (989, 20756362), (1978, 10378181), (10879, 1886942), (21758, 943471)]