20984732

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5059}}^1$

素因数の和:5141

約数の個数: 24

約数和(自身を含む): 39528720

約数和(自身を除く): 18543988

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 5059, 10118, 20236, 86003, 172006, 308599, 344012, 617198, 1234396, 5246183, 10492366, 20984732]

約数ペア:

[(1, 20984732), (2, 10492366), (4, 5246183), (17, 1234396), (34, 617198), (61, 344012), (68, 308599), (122, 172006), (244, 86003), (1037, 20236), (2074, 10118), (4148, 5059)]