20786848

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 43497216

約数和(自身を除く): 22710368

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 463, 488, 736, 926, 976, 1403, 1852, 1952, 2806, 3704, 5612, 7408, 10649, 11224, 14816, 21298, 22448, 28243, 42596, 44896, 56486, 85192, 112972, 170384, 225944, 340768, 451888, 649589, 903776, 1299178, 2598356, 5196712, 10393424, 20786848]

約数ペア:

[(1, 20786848), (2, 10393424), (4, 5196712), (8, 2598356), (16, 1299178), (23, 903776), (32, 649589), (46, 451888), (61, 340768), (92, 225944), (122, 170384), (184, 112972), (244, 85192), (368, 56486), (463, 44896), (488, 42596), (736, 28243), (926, 22448), (976, 21298), (1403, 14816), (1852, 11224), (1952, 10649), (2806, 7408), (3704, 5612)]