20121479091

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{85193}}^1$

素因数の和:85392

約数の個数: 48

約数和(自身を含む): 34873652736

約数和(自身を除く): 14752173645

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 163, 207, 483, 489, 1141, 1449, 1467, 3423, 3749, 10269, 11247, 26243, 33741, 78729, 85193, 236187, 255579, 596351, 766737, 1789053, 1959439, 5367159, 5878317, 13716073, 13886459, 17634951, 41148219, 41659377, 97205213, 123444657, 124978131, 291615639, 319388557, 874846917, 958165671, 2235719899, 2874497013, 6707159697, 20121479091]

約数ペア:

[(1, 20121479091), (3, 6707159697), (7, 2874497013), (9, 2235719899), (21, 958165671), (23, 874846917), (63, 319388557), (69, 291615639), (161, 124978131), (163, 123444657), (207, 97205213), (483, 41659377), (489, 41148219), (1141, 17634951), (1449, 13886459), (1467, 13716073), (3423, 5878317), (3749, 5367159), (10269, 1959439), (11247, 1789053), (26243, 766737), (33741, 596351), (78729, 255579), (85193, 236187)]