20121894638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1\times {\mathrm{2477}}^1$

素因数の和:3308

約数の個数: 32

約数和(自身を含む): 31177839168

約数和(自身を除く): 11055944530

約数列:

[1, 2, 41, 82, 157, 314, 631, 1262, 2477, 4954, 6437, 12874, 25871, 51742, 99067, 101557, 198134, 203114, 388889, 777778, 1562987, 3125974, 4061747, 8123494, 15944449, 31888898, 64082467, 128164934, 245388959, 490777918, 10060947319, 20121894638]

約数ペア:

[(1, 20121894638), (2, 10060947319), (41, 490777918), (82, 245388959), (157, 128164934), (314, 64082467), (631, 31888898), (1262, 15944449), (2477, 8123494), (4954, 4061747), (6437, 3125974), (12874, 1562987), (25871, 777778), (51742, 388889), (99067, 203114), (101557, 198134)]