2020123720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{608471}}^1$

素因数の和:608565

約数の個数: 32

約数和(自身を含む): 4600048320

約数和(自身を除く): 2579924600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 608471, 1216942, 2433884, 3042355, 4867768, 6084710, 12169420, 24338840, 50503093, 101006186, 202012372, 252515465, 404024744, 505030930, 1010061860, 2020123720]

約数ペア:

[(1, 2020123720), (2, 1010061860), (4, 505030930), (5, 404024744), (8, 252515465), (10, 202012372), (20, 101006186), (40, 50503093), (83, 24338840), (166, 12169420), (332, 6084710), (415, 4867768), (664, 3042355), (830, 2433884), (1660, 1216942), (3320, 608471)]