20729817

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 34243200

約数和(自身を除く): 13513383

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2377, 2907, 7131, 8721, 21393, 40409, 45163, 64179, 121227, 135489, 363681, 406467, 767771, 1091043, 1219401, 2303313, 6909939, 20729817]

約数ペア:

[(1, 20729817), (3, 6909939), (9, 2303313), (17, 1219401), (19, 1091043), (27, 767771), (51, 406467), (57, 363681), (153, 135489), (171, 121227), (323, 64179), (459, 45163), (513, 40409), (969, 21393), (2377, 8721), (2907, 7131)]