12942020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 33695424

約数和(自身を除く): 20753404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 547, 676, 845, 910, 1094, 1183, 1690, 1820, 2188, 2366, 2735, 3380, 3829, 4732, 5470, 5915, 7111, 7658, 10940, 11830, 14222, 15316, 19145, 23660, 28444, 35555, 38290, 49777, 71110, 76580, 92443, 99554, 142220, 184886, 199108, 248885, 369772, 462215, 497770, 647101, 924430, 995540, 1294202, 1848860, 2588404, 3235505, 6471010, 12942020]

約数ペア:

[(1, 12942020), (2, 6471010), (4, 3235505), (5, 2588404), (7, 1848860), (10, 1294202), (13, 995540), (14, 924430), (20, 647101), (26, 497770), (28, 462215), (35, 369772), (52, 248885), (65, 199108), (70, 184886), (91, 142220), (130, 99554), (140, 92443), (169, 76580), (182, 71110), (260, 49777), (338, 38290), (364, 35555), (455, 28444), (547, 23660), (676, 19145), (845, 15316), (910, 14222), (1094, 11830), (1183, 10940), (1690, 7658), (1820, 7111), (2188, 5915), (2366, 5470), (2735, 4732), (3380, 3829)]