19968060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47543}}^1$

素因数の和:47562

約数の個数: 48

約数和(自身を含む): 63899136

約数和(自身を除く): 43931076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47543, 95086, 142629, 190172, 237715, 285258, 332801, 475430, 570516, 665602, 713145, 950860, 998403, 1331204, 1426290, 1664005, 1996806, 2852580, 3328010, 3993612, 4992015, 6656020, 9984030, 19968060]

約数ペア:

[(1, 19968060), (2, 9984030), (3, 6656020), (4, 4992015), (5, 3993612), (6, 3328010), (7, 2852580), (10, 1996806), (12, 1664005), (14, 1426290), (15, 1331204), (20, 998403), (21, 950860), (28, 713145), (30, 665602), (35, 570516), (42, 475430), (60, 332801), (70, 285258), (84, 237715), (105, 190172), (140, 142629), (210, 95086), (420, 47543)]