20127984

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{3919}}^1$

素因数の和:4037

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 32368656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 3919, 5136, 7838, 11757, 15676, 23514, 31352, 47028, 62704, 94056, 188112, 419333, 838666, 1257999, 1677332, 2515998, 3354664, 5031996, 6709328, 10063992, 20127984]

約数ペア:

[(1, 20127984), (2, 10063992), (3, 6709328), (4, 5031996), (6, 3354664), (8, 2515998), (12, 1677332), (16, 1257999), (24, 838666), (48, 419333), (107, 188112), (214, 94056), (321, 62704), (428, 47028), (642, 31352), (856, 23514), (1284, 15676), (1712, 11757), (2568, 7838), (3919, 5136)]