20686985026

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{11731}}^1\times {\mathrm{9907}}^1$

素因数の和:21729

約数の個数: 16

約数和(自身を含む): 31384977120

約数和(自身を除く): 10697992094

約数列:

[1, 2, 89, 178, 9907, 11731, 19814, 23462, 881723, 1044059, 1763446, 2088118, 116219017, 232438034, 10343492513, 20686985026]

約数ペア:

[(1, 20686985026), (2, 10343492513), (89, 232438034), (178, 116219017), (9907, 2088118), (11731, 1763446), (19814, 1044059), (23462, 881723)]