20243089840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1462651}}^1$

素因数の和:1462837

約数の個数: 40

約数和(自身を含む): 47337269328

約数和(自身を除く): 27094179488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 1462651, 2925302, 5850604, 7313255, 11701208, 14626510, 23402416, 29253020, 58506040, 117012080, 253038623, 506077246, 1012154492, 1265193115, 2024308984, 2530386230, 4048617968, 5060772460, 10121544920, 20243089840]

約数ペア:

[(1, 20243089840), (2, 10121544920), (4, 5060772460), (5, 4048617968), (8, 2530386230), (10, 2024308984), (16, 1265193115), (20, 1012154492), (40, 506077246), (80, 253038623), (173, 117012080), (346, 58506040), (692, 29253020), (865, 23402416), (1384, 14626510), (1730, 11701208), (2768, 7313255), (3460, 5850604), (6920, 2925302), (13840, 1462651)]