20246072

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 29174728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1429, 1771, 2024, 2858, 3542, 5716, 7084, 10003, 11432, 14168, 15719, 20006, 31438, 32867, 40012, 62876, 65734, 80024, 110033, 125752, 131468, 220066, 230069, 262936, 361537, 440132, 460138, 723074, 880264, 920276, 1446148, 1840552, 2530759, 2892296, 5061518, 10123036, 20246072]

約数ペア:

[(1, 20246072), (2, 10123036), (4, 5061518), (7, 2892296), (8, 2530759), (11, 1840552), (14, 1446148), (22, 920276), (23, 880264), (28, 723074), (44, 460138), (46, 440132), (56, 361537), (77, 262936), (88, 230069), (92, 220066), (154, 131468), (161, 125752), (184, 110033), (253, 80024), (308, 65734), (322, 62876), (506, 40012), (616, 32867), (644, 31438), (1012, 20006), (1288, 15719), (1429, 14168), (1771, 11432), (2024, 10003), (2858, 7084), (3542, 5716)]