20209748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7333}}^1$

素因数の和:7403

約数の個数: 24

約数和(自身を含む): 38811528

約数和(自身を除く): 18601780

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7333, 14666, 29332, 95329, 190658, 381316, 388649, 777298, 1554596, 5052437, 10104874, 20209748]

約数ペア:

[(1, 20209748), (2, 10104874), (4, 5052437), (13, 1554596), (26, 777298), (52, 388649), (53, 381316), (106, 190658), (212, 95329), (689, 29332), (1378, 14666), (2756, 7333)]