20107617

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 29766528

約数和(自身を除く): 9658911

約数列:

[1, 3, 17, 43, 51, 53, 129, 159, 173, 519, 731, 901, 2193, 2279, 2703, 2941, 6837, 7439, 8823, 9169, 22317, 27507, 38743, 116229, 126463, 155873, 379389, 394267, 467619, 1182801, 6702539, 20107617]

約数ペア:

[(1, 20107617), (3, 6702539), (17, 1182801), (43, 467619), (51, 394267), (53, 379389), (129, 155873), (159, 126463), (173, 116229), (519, 38743), (731, 27507), (901, 22317), (2193, 9169), (2279, 8823), (2703, 7439), (2941, 6837)]