20156987135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{198503}}^1$

素因数の和:199414

約数の個数: 16

約数和(自身を含む): 25268765184

約数和(自身を除く): 5111778049

約数列:

[1, 5, 23, 115, 883, 4415, 20309, 101545, 198503, 992515, 4565569, 22827845, 175278149, 876390745, 4031397427, 20156987135]

約数ペア:

[(1, 20156987135), (5, 4031397427), (23, 876390745), (115, 175278149), (883, 22827845), (4415, 4565569), (20309, 992515), (101545, 198503)]