20565245834

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1\times {\mathrm{20177}}^1$

素因数の和:21782

約数の個数: 32

約数和(自身を含む): 36029836800

約数和(自身を除く): 15464590966

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 1549, 3098, 10843, 20177, 21686, 40354, 72803, 141239, 145606, 282478, 509621, 948319, 1019242, 1896638, 6638233, 13276466, 31254173, 62508346, 218779211, 437558422, 1468946131, 2937892262, 10282622917, 20565245834]

約数ペア:

[(1, 20565245834), (2, 10282622917), (7, 2937892262), (14, 1468946131), (47, 437558422), (94, 218779211), (329, 62508346), (658, 31254173), (1549, 13276466), (3098, 6638233), (10843, 1896638), (20177, 1019242), (21686, 948319), (40354, 509621), (72803, 282478), (141239, 145606)]