20342098480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23116021}}^1$

素因数の和:23116045

約数の個数: 40

約数和(自身を含む): 51594961104

約数和(自身を除く): 31252862624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23116021, 46232042, 92464084, 115580105, 184928168, 231160210, 254276231, 369856336, 462320420, 508552462, 924640840, 1017104924, 1271381155, 1849281680, 2034209848, 2542762310, 4068419696, 5085524620, 10171049240, 20342098480]

約数ペア:

[(1, 20342098480), (2, 10171049240), (4, 5085524620), (5, 4068419696), (8, 2542762310), (10, 2034209848), (11, 1849281680), (16, 1271381155), (20, 1017104924), (22, 924640840), (40, 508552462), (44, 462320420), (55, 369856336), (80, 254276231), (88, 231160210), (110, 184928168), (176, 115580105), (220, 92464084), (440, 46232042), (880, 23116021)]