20404768306

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{38281}}^1$

素因数の和:38411

約数の個数: 48

約数和(自身を含む): 35308254240

約数和(自身を除く): 14903485934

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 169, 247, 338, 494, 1079, 1577, 2158, 3154, 3211, 6422, 14027, 20501, 28054, 38281, 41002, 76562, 266513, 497653, 533026, 727339, 995306, 1454678, 3177323, 6354646, 6469489, 9455407, 12938978, 18910814, 41305199, 60369137, 82610398, 120738274, 122920291, 245840582, 536967587, 784798781, 1073935174, 1569597562, 10202384153, 20404768306]

約数ペア:

[(1, 20404768306), (2, 10202384153), (13, 1569597562), (19, 1073935174), (26, 784798781), (38, 536967587), (83, 245840582), (166, 122920291), (169, 120738274), (247, 82610398), (338, 60369137), (494, 41305199), (1079, 18910814), (1577, 12938978), (2158, 9455407), (3154, 6469489), (3211, 6354646), (6422, 3177323), (14027, 1454678), (20501, 995306), (28054, 727339), (38281, 533026), (41002, 497653), (76562, 266513)]