20219883021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{179833}}^1$

素因数の和:179914

約数の個数: 36

約数和(自身を含む): 32500679484

約数和(自身を除く): 12280796463

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 961, 1209, 2883, 3627, 8649, 12493, 37479, 112437, 179833, 539499, 1618497, 2337829, 5574823, 7013487, 16724469, 21040461, 50173407, 72472699, 172819513, 217418097, 518458539, 652254291, 1555375617, 2246653669, 6739961007, 20219883021]

約数ペア:

[(1, 20219883021), (3, 6739961007), (9, 2246653669), (13, 1555375617), (31, 652254291), (39, 518458539), (93, 217418097), (117, 172819513), (279, 72472699), (403, 50173407), (961, 21040461), (1209, 16724469), (2883, 7013487), (3627, 5574823), (8649, 2337829), (12493, 1618497), (37479, 539499), (112437, 179833)]