20138545438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{1979}}^1$

素因数の和:2413

約数の個数: 64

約数和(自身を含む): 34926059520

約数和(自身を除く): 14787514082

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 347, 473, 682, 694, 946, 1333, 1979, 2666, 3817, 3958, 7634, 10757, 14663, 14921, 21514, 21769, 29326, 29842, 43538, 61349, 85097, 118327, 122698, 164131, 170194, 236654, 328262, 462551, 674839, 686713, 925102, 936067, 1349678, 1373426, 1872134, 2638007, 5088061, 5276014, 7553843, 10176122, 15107686, 21288103, 29018077, 29528659, 42576206, 58036154, 59057318, 234169133, 324815249, 468338266, 649630498, 915388429, 1830776858, 10069272719, 20138545438]

約数ペア:

[(1, 20138545438), (2, 10069272719), (11, 1830776858), (22, 915388429), (31, 649630498), (43, 468338266), (62, 324815249), (86, 234169133), (341, 59057318), (347, 58036154), (473, 42576206), (682, 29528659), (694, 29018077), (946, 21288103), (1333, 15107686), (1979, 10176122), (2666, 7553843), (3817, 5276014), (3958, 5088061), (7634, 2638007), (10757, 1872134), (14663, 1373426), (14921, 1349678), (21514, 936067), (21769, 925102), (29326, 686713), (29842, 674839), (43538, 462551), (61349, 328262), (85097, 236654), (118327, 170194), (122698, 164131)]