20040304

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11491}}^1$

素因数の和:11608

約数の個数: 20

約数和(自身を含む): 39187720

約数和(自身を除く): 19147416

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11491, 22982, 45964, 91928, 183856, 1252519, 2505038, 5010076, 10020152, 20040304]

約数ペア:

[(1, 20040304), (2, 10020152), (4, 5010076), (8, 2505038), (16, 1252519), (109, 183856), (218, 91928), (436, 45964), (872, 22982), (1744, 11491)]