20255862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 27955338

約数列:

[1, 2, 3, 6, 11, 19, 22, 29, 33, 38, 57, 58, 66, 87, 114, 174, 209, 319, 418, 551, 557, 627, 638, 957, 1102, 1114, 1254, 1653, 1671, 1914, 3306, 3342, 6061, 6127, 10583, 12122, 12254, 16153, 18183, 18381, 21166, 31749, 32306, 36366, 36762, 48459, 63498, 96918, 116413, 177683, 232826, 306907, 349239, 355366, 533049, 613814, 698478, 920721, 1066098, 1841442, 3375977, 6751954, 10127931, 20255862]

約数ペア:

[(1, 20255862), (2, 10127931), (3, 6751954), (6, 3375977), (11, 1841442), (19, 1066098), (22, 920721), (29, 698478), (33, 613814), (38, 533049), (57, 355366), (58, 349239), (66, 306907), (87, 232826), (114, 177683), (174, 116413), (209, 96918), (319, 63498), (418, 48459), (551, 36762), (557, 36366), (627, 32306), (638, 31749), (957, 21166), (1102, 18381), (1114, 18183), (1254, 16153), (1653, 12254), (1671, 12122), (1914, 10583), (3306, 6127), (3342, 6061)]