20163784

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{37619}}^1$

素因数の和:37692

約数の個数: 16

約数和(自身を含む): 38372400

約数和(自身を除く): 18208616

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 37619, 75238, 150476, 300952, 2520473, 5040946, 10081892, 20163784]

約数ペア:

[(1, 20163784), (2, 10081892), (4, 5040946), (8, 2520473), (67, 300952), (134, 150476), (268, 75238), (536, 37619)]