20175944

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 19028056

約数列:

[1, 2, 4, 8, 43, 86, 89, 172, 178, 344, 356, 659, 712, 1318, 2636, 3827, 5272, 7654, 15308, 28337, 30616, 56674, 58651, 113348, 117302, 226696, 234604, 469208, 2521993, 5043986, 10087972, 20175944]

約数ペア:

[(1, 20175944), (2, 10087972), (4, 5043986), (8, 2521993), (43, 469208), (86, 234604), (89, 226696), (172, 117302), (178, 113348), (344, 58651), (356, 56674), (659, 30616), (712, 28337), (1318, 15308), (2636, 7654), (3827, 5272)]