20163687237

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{327689}}^1$

素因数の和:327794

約数の個数: 32

約数和(自身を含む): 31143657600

約数和(自身を除く): 10979970363

約数列:

[1, 3, 9, 27, 43, 53, 129, 159, 387, 477, 1161, 1431, 2279, 6837, 20511, 61533, 327689, 983067, 2949201, 8847603, 14090627, 17367517, 42271881, 52102551, 126815643, 156307653, 380446929, 468922959, 746803231, 2240409693, 6721229079, 20163687237]

約数ペア:

[(1, 20163687237), (3, 6721229079), (9, 2240409693), (27, 746803231), (43, 468922959), (53, 380446929), (129, 156307653), (159, 126815643), (387, 52102551), (477, 42271881), (1161, 17367517), (1431, 14090627), (2279, 8847603), (6837, 2949201), (20511, 983067), (61533, 327689)]