16620904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 32872320

約数和(自身を除く): 16251416

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 877, 1754, 2369, 3508, 4738, 7016, 9476, 18952, 20171, 40342, 80684, 90331, 161368, 180662, 361324, 722648, 2077613, 4155226, 8310452, 16620904]

約数ペア:

[(1, 16620904), (2, 8310452), (4, 4155226), (8, 2077613), (23, 722648), (46, 361324), (92, 180662), (103, 161368), (184, 90331), (206, 80684), (412, 40342), (824, 20171), (877, 18952), (1754, 9476), (2369, 7016), (3508, 4738)]