20974816

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8297}}^1$

素因数の和:8386

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 20847104

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8297, 16594, 33188, 66376, 132752, 265504, 655463, 1310926, 2621852, 5243704, 10487408, 20974816]

約数ペア:

[(1, 20974816), (2, 10487408), (4, 5243704), (8, 2621852), (16, 1310926), (32, 655463), (79, 265504), (158, 132752), (316, 66376), (632, 33188), (1264, 16594), (2528, 8297)]