20706004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 19513196

約数列:

[1, 2, 4, 11, 22, 44, 121, 179, 239, 242, 358, 478, 484, 716, 956, 1969, 2629, 3938, 5258, 7876, 10516, 21659, 28919, 42781, 43318, 57838, 85562, 86636, 115676, 171124, 470591, 941182, 1882364, 5176501, 10353002, 20706004]

約数ペア:

[(1, 20706004), (2, 10353002), (4, 5176501), (11, 1882364), (22, 941182), (44, 470591), (121, 171124), (179, 115676), (239, 86636), (242, 85562), (358, 57838), (478, 43318), (484, 42781), (716, 28919), (956, 21659), (1969, 10516), (2629, 7876), (3938, 5258)]