20280051

素因数分解:

$3^8\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 33301944

約数和(自身を除く): 13021893

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 281, 297, 729, 843, 891, 2187, 2529, 2673, 3091, 6561, 7587, 8019, 9273, 22761, 24057, 27819, 68283, 72171, 83457, 204849, 250371, 614547, 751113, 1843641, 2253339, 6760017, 20280051]

約数ペア:

[(1, 20280051), (3, 6760017), (9, 2253339), (11, 1843641), (27, 751113), (33, 614547), (81, 250371), (99, 204849), (243, 83457), (281, 72171), (297, 68283), (729, 27819), (843, 24057), (891, 22761), (2187, 9273), (2529, 8019), (2673, 7587), (3091, 6561)]