20403835228

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{55201}}^1$

素因数の和:55562

約数の個数: 48

約数和(自身を含む): 41893460224

約数和(自身を除く): 21489624996

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 307, 602, 614, 1204, 1228, 2149, 4298, 8596, 13201, 26402, 52804, 55201, 92407, 110402, 184814, 220804, 369628, 386407, 772814, 1545628, 2373643, 4747286, 9494572, 16615501, 16946707, 33231002, 33893414, 66462004, 67786828, 118626949, 237253898, 474507796, 728708401, 1457416802, 2914833604, 5100958807, 10201917614, 20403835228]

約数ペア:

[(1, 20403835228), (2, 10201917614), (4, 5100958807), (7, 2914833604), (14, 1457416802), (28, 728708401), (43, 474507796), (86, 237253898), (172, 118626949), (301, 67786828), (307, 66462004), (602, 33893414), (614, 33231002), (1204, 16946707), (1228, 16615501), (2149, 9494572), (4298, 4747286), (8596, 2373643), (13201, 1545628), (26402, 772814), (52804, 386407), (55201, 369628), (92407, 220804), (110402, 184814)]