20138954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 14153206

約数列:

[1, 2, 11, 22, 41, 82, 83, 166, 269, 451, 538, 902, 913, 1826, 2959, 3403, 5918, 6806, 11029, 22058, 22327, 37433, 44654, 74866, 121319, 242638, 245597, 491194, 915407, 1830814, 10069477, 20138954]

約数ペア:

[(1, 20138954), (2, 10069477), (11, 1830814), (22, 915407), (41, 491194), (82, 245597), (83, 242638), (166, 121319), (269, 74866), (451, 44654), (538, 37433), (902, 22327), (913, 22058), (1826, 11029), (2959, 6806), (3403, 5918)]