20863076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{953}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 39453624

約数和(自身を除く): 18590548

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 953, 1684, 1906, 3812, 5473, 10946, 12389, 21892, 24778, 49556, 401213, 802426, 1604852, 5215769, 10431538, 20863076]

約数ペア:

[(1, 20863076), (2, 10431538), (4, 5215769), (13, 1604852), (26, 802426), (52, 401213), (421, 49556), (842, 24778), (953, 21892), (1684, 12389), (1906, 10946), (3812, 5473)]