20572288

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 47124000

約数和(自身を除く): 26551712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 769, 836, 1216, 1408, 1538, 1672, 2432, 3076, 3344, 6152, 6688, 8459, 12304, 13376, 14611, 16918, 24608, 26752, 29222, 33836, 49216, 58444, 67672, 98432, 116888, 135344, 160721, 233776, 270688, 321442, 467552, 541376, 642884, 935104, 1082752, 1285768, 1870208, 2571536, 5143072, 10286144, 20572288]

約数ペア:

[(1, 20572288), (2, 10286144), (4, 5143072), (8, 2571536), (11, 1870208), (16, 1285768), (19, 1082752), (22, 935104), (32, 642884), (38, 541376), (44, 467552), (64, 321442), (76, 270688), (88, 233776), (128, 160721), (152, 135344), (176, 116888), (209, 98432), (304, 67672), (352, 58444), (418, 49216), (608, 33836), (704, 29222), (769, 26752), (836, 24608), (1216, 16918), (1408, 14611), (1538, 13376), (1672, 12304), (2432, 8459), (3076, 6688), (3344, 6152)]