20987044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23741}}^1$

素因数の和:23775

約数の個数: 24

約数和(自身を含む): 41880888

約数和(自身を除く): 20893844

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23741, 47482, 94964, 308633, 403597, 617266, 807194, 1234532, 1614388, 5246761, 10493522, 20987044]

約数ペア:

[(1, 20987044), (2, 10493522), (4, 5246761), (13, 1614388), (17, 1234532), (26, 807194), (34, 617266), (52, 403597), (68, 308633), (221, 94964), (442, 47482), (884, 23741)]