20953377

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4943}}^1$

素因数の和:5109

約数の個数: 16

約数和(自身を含む): 31246080

約数和(自身を除く): 10292703

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4943, 14829, 44487, 133461, 776051, 2328153, 6984459, 20953377]

約数ペア:

[(1, 20953377), (3, 6984459), (9, 2328153), (27, 776051), (157, 133461), (471, 44487), (1413, 14829), (4239, 4943)]