20581464

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{4957}}^1$

素因数の和:5139

約数の個数: 32

約数和(自身を含む): 51761520

約数和(自身を除く): 31180056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 519, 692, 1038, 1384, 2076, 4152, 4957, 9914, 14871, 19828, 29742, 39656, 59484, 118968, 857561, 1715122, 2572683, 3430244, 5145366, 6860488, 10290732, 20581464]

約数ペア:

[(1, 20581464), (2, 10290732), (3, 6860488), (4, 5145366), (6, 3430244), (8, 2572683), (12, 1715122), (24, 857561), (173, 118968), (346, 59484), (519, 39656), (692, 29742), (1038, 19828), (1384, 14871), (2076, 9914), (4152, 4957)]