20978070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30403}}^1$

素因数の和:30436

約数の個数: 32

約数和(自身を含む): 52538112

約数和(自身を除く): 31560042

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30403, 60806, 91209, 152015, 182418, 304030, 456045, 699269, 912090, 1398538, 2097807, 3496345, 4195614, 6992690, 10489035, 20978070]

約数ペア:

[(1, 20978070), (2, 10489035), (3, 6992690), (5, 4195614), (6, 3496345), (10, 2097807), (15, 1398538), (23, 912090), (30, 699269), (46, 456045), (69, 304030), (115, 182418), (138, 152015), (230, 91209), (345, 60806), (690, 30403)]