20814772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1289}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 39876480

約数和(自身を除く): 19061708

約数列:

[1, 2, 4, 11, 22, 44, 367, 734, 1289, 1468, 2578, 4037, 5156, 8074, 14179, 16148, 28358, 56716, 473063, 946126, 1892252, 5203693, 10407386, 20814772]

約数ペア:

[(1, 20814772), (2, 10407386), (4, 5203693), (11, 1892252), (22, 946126), (44, 473063), (367, 56716), (734, 28358), (1289, 16148), (1468, 14179), (2578, 8074), (4037, 5156)]