20703603

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 30433536

約数和(自身を除く): 9729933

約数列:

[1, 3, 17, 51, 67, 73, 83, 201, 219, 249, 1139, 1241, 1411, 3417, 3723, 4233, 4891, 5561, 6059, 14673, 16683, 18177, 83147, 94537, 103003, 249441, 283611, 309009, 405953, 1217859, 6901201, 20703603]

約数ペア:

[(1, 20703603), (3, 6901201), (17, 1217859), (51, 405953), (67, 309009), (73, 283611), (83, 249441), (201, 103003), (219, 94537), (249, 83147), (1139, 18177), (1241, 16683), (1411, 14673), (3417, 6059), (3723, 5561), (4233, 4891)]