20158749611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{40037}}^1$

素因数の和:40571

約数の個数: 32

約数和(自身を含む): 27120780288

約数和(自身を除く): 6962030677

約数列:

[1, 7, 11, 13, 77, 91, 143, 503, 1001, 3521, 5533, 6539, 38731, 40037, 45773, 71929, 280259, 440407, 503503, 520481, 3082849, 3643367, 5725291, 20138611, 40077037, 140970277, 221524721, 261801943, 1550673047, 1832613601, 2879821373, 20158749611]

約数ペア:

[(1, 20158749611), (7, 2879821373), (11, 1832613601), (13, 1550673047), (77, 261801943), (91, 221524721), (143, 140970277), (503, 40077037), (1001, 20138611), (3521, 5725291), (5533, 3643367), (6539, 3082849), (38731, 520481), (40037, 503503), (45773, 440407), (71929, 280259)]