20161574504

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{71983}}^1$

素因数の和:72369

約数の個数: 32

約数和(自身を含む): 38214865920

約数和(自身を除く): 18053291416

約数列:

[1, 2, 4, 8, 157, 223, 314, 446, 628, 892, 1256, 1784, 35011, 70022, 71983, 140044, 143966, 280088, 287932, 575864, 11301331, 16052209, 22602662, 32104418, 45205324, 64208836, 90410648, 128417672, 2520196813, 5040393626, 10080787252, 20161574504]

約数ペア:

[(1, 20161574504), (2, 10080787252), (4, 5040393626), (8, 2520196813), (157, 128417672), (223, 90410648), (314, 64208836), (446, 45205324), (628, 32104418), (892, 22602662), (1256, 16052209), (1784, 11301331), (35011, 575864), (70022, 287932), (71983, 280088), (140044, 143966)]