20001984910

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{248441}}^1$

素因数の和:248628

約数の個数: 32

約数和(自身を含む): 36813141792

約数和(自身を除く): 16811156882

約数列:

[1, 2, 5, 10, 83, 97, 166, 194, 415, 485, 830, 970, 8051, 16102, 40255, 80510, 248441, 496882, 1242205, 2484410, 20620603, 24098777, 41241206, 48197554, 103103015, 120493885, 206206030, 240987770, 2000198491, 4000396982, 10000992455, 20001984910]

約数ペア:

[(1, 20001984910), (2, 10000992455), (5, 4000396982), (10, 2000198491), (83, 240987770), (97, 206206030), (166, 120493885), (194, 103103015), (415, 48197554), (485, 41241206), (830, 24098777), (970, 20620603), (8051, 2484410), (16102, 1242205), (40255, 496882), (80510, 248441)]