20213493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 9853707

約数列:

[1, 3, 17, 29, 51, 79, 87, 173, 237, 493, 519, 1343, 1479, 2291, 2941, 4029, 5017, 6873, 8823, 13667, 15051, 38947, 41001, 85289, 116841, 232339, 255867, 396343, 697017, 1189029, 6737831, 20213493]

約数ペア:

[(1, 20213493), (3, 6737831), (17, 1189029), (29, 697017), (51, 396343), (79, 255867), (87, 232339), (173, 116841), (237, 85289), (493, 41001), (519, 38947), (1343, 15051), (1479, 13667), (2291, 8823), (2941, 6873), (4029, 5017)]