20081004

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28182036

約数列:

[1, 2, 3, 4, 6, 12, 59, 113, 118, 177, 226, 236, 251, 339, 354, 452, 502, 678, 708, 753, 1004, 1356, 1506, 3012, 6667, 13334, 14809, 20001, 26668, 28363, 29618, 40002, 44427, 56726, 59236, 80004, 85089, 88854, 113452, 170178, 177708, 340356, 1673417, 3346834, 5020251, 6693668, 10040502, 20081004]

約数ペア:

[(1, 20081004), (2, 10040502), (3, 6693668), (4, 5020251), (6, 3346834), (12, 1673417), (59, 340356), (113, 177708), (118, 170178), (177, 113452), (226, 88854), (236, 85089), (251, 80004), (339, 59236), (354, 56726), (452, 44427), (502, 40002), (678, 29618), (708, 28363), (753, 26668), (1004, 20001), (1356, 14809), (1506, 13334), (3012, 6667)]