20821792

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12277}}^1$

素因数の和:12340

約数の個数: 24

約数和(自身を含む): 41769756

約数和(自身を除く): 20947964

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12277, 24554, 49108, 98216, 196432, 392864, 650681, 1301362, 2602724, 5205448, 10410896, 20821792]

約数ペア:

[(1, 20821792), (2, 10410896), (4, 5205448), (8, 2602724), (16, 1301362), (32, 650681), (53, 392864), (106, 196432), (212, 98216), (424, 49108), (848, 24554), (1696, 12277)]