20754004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 20533676

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 92, 124, 383, 437, 589, 713, 766, 874, 1178, 1426, 1532, 1748, 2356, 2852, 7277, 8809, 11873, 13547, 14554, 17618, 23746, 27094, 29108, 35236, 47492, 54188, 167371, 225587, 273079, 334742, 451174, 546158, 669484, 902348, 1092316, 5188501, 10377002, 20754004]

約数ペア:

[(1, 20754004), (2, 10377002), (4, 5188501), (19, 1092316), (23, 902348), (31, 669484), (38, 546158), (46, 451174), (62, 334742), (76, 273079), (92, 225587), (124, 167371), (383, 54188), (437, 47492), (589, 35236), (713, 29108), (766, 27094), (874, 23746), (1178, 17618), (1426, 14554), (1532, 13547), (1748, 11873), (2356, 8809), (2852, 7277)]