20512586536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2943827}}^1$

素因数の和:2943913

約数の個数: 32

約数和(自身を含む): 42037863840

約数和(自身を除く): 21525277304

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 2943827, 5887654, 11775308, 23550616, 38269751, 76539502, 153079004, 197236409, 306158008, 394472818, 788945636, 1577891272, 2564073317, 5128146634, 10256293268, 20512586536]

約数ペア:

[(1, 20512586536), (2, 10256293268), (4, 5128146634), (8, 2564073317), (13, 1577891272), (26, 788945636), (52, 394472818), (67, 306158008), (104, 197236409), (134, 153079004), (268, 76539502), (536, 38269751), (871, 23550616), (1742, 11775308), (3484, 5887654), (6968, 2943827)]