20843946

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7283}}^1$

素因数の和:7347

約数の個数: 32

約数和(自身を含む): 47200320

約数和(自身を除く): 26356374

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7283, 14566, 21849, 43698, 65547, 131094, 196641, 385999, 393282, 771998, 1157997, 2315994, 3473991, 6947982, 10421973, 20843946]

約数ペア:

[(1, 20843946), (2, 10421973), (3, 6947982), (6, 3473991), (9, 2315994), (18, 1157997), (27, 771998), (53, 393282), (54, 385999), (106, 196641), (159, 131094), (318, 65547), (477, 43698), (954, 21849), (1431, 14566), (2862, 7283)]