20130044

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 40992000

約数和(自身を除く): 20861956

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 199, 209, 242, 398, 418, 484, 796, 836, 1331, 2189, 2299, 2662, 3781, 4378, 4598, 5324, 7562, 8756, 9196, 15124, 24079, 25289, 41591, 48158, 50578, 83182, 96316, 101156, 166364, 264869, 457501, 529738, 915002, 1059476, 1830004, 5032511, 10065022, 20130044]

約数ペア:

[(1, 20130044), (2, 10065022), (4, 5032511), (11, 1830004), (19, 1059476), (22, 915002), (38, 529738), (44, 457501), (76, 264869), (121, 166364), (199, 101156), (209, 96316), (242, 83182), (398, 50578), (418, 48158), (484, 41591), (796, 25289), (836, 24079), (1331, 15124), (2189, 9196), (2299, 8756), (2662, 7562), (3781, 5324), (4378, 4598)]