20001672

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{3347}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 34838568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 3347, 5976, 6694, 10041, 13388, 20082, 26776, 30123, 40164, 60246, 80328, 120492, 240984, 277801, 555602, 833403, 1111204, 1666806, 2222408, 2500209, 3333612, 5000418, 6667224, 10000836, 20001672]

約数ペア:

[(1, 20001672), (2, 10000836), (3, 6667224), (4, 5000418), (6, 3333612), (8, 2500209), (9, 2222408), (12, 1666806), (18, 1111204), (24, 833403), (36, 555602), (72, 277801), (83, 240984), (166, 120492), (249, 80328), (332, 60246), (498, 40164), (664, 30123), (747, 26776), (996, 20082), (1494, 13388), (1992, 10041), (2988, 6694), (3347, 5976)]