20724702986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{130523}}^1$

素因数の和:130766

約数の個数: 32

約数和(自身を含む): 34734002688

約数和(自身を除く): 14009299702

約数列:

[1, 2, 13, 26, 31, 62, 197, 394, 403, 806, 2561, 5122, 6107, 12214, 79391, 130523, 158782, 261046, 1696799, 3393598, 4046213, 8092426, 25713031, 51426062, 52600769, 105201538, 334269403, 668538806, 797103961, 1594207922, 10362351493, 20724702986]

約数ペア:

[(1, 20724702986), (2, 10362351493), (13, 1594207922), (26, 797103961), (31, 668538806), (62, 334269403), (197, 105201538), (394, 52600769), (403, 51426062), (806, 25713031), (2561, 8092426), (5122, 4046213), (6107, 3393598), (12214, 1696799), (79391, 261046), (130523, 158782)]