20187433730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{172439}}^1$

素因数の和:172978

約数の個数: 32

約数和(自身を含む): 37991980800

約数和(自身を除く): 17804547070

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 509, 1018, 2545, 5090, 11707, 23414, 58535, 117070, 172439, 344878, 862195, 1724390, 3966097, 7932194, 19830485, 39660970, 87771451, 175542902, 438857255, 877714510, 2018743373, 4037486746, 10093716865, 20187433730]

約数ペア:

[(1, 20187433730), (2, 10093716865), (5, 4037486746), (10, 2018743373), (23, 877714510), (46, 438857255), (115, 175542902), (230, 87771451), (509, 39660970), (1018, 19830485), (2545, 7932194), (5090, 3966097), (11707, 1724390), (23414, 862195), (58535, 344878), (117070, 172439)]