15954820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113963}}^1$

素因数の和:113979

約数の個数: 24

約数和(自身を含む): 38291904

約数和(自身を除く): 22337084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 113963, 227926, 455852, 569815, 797741, 1139630, 1595482, 2279260, 3190964, 3988705, 7977410, 15954820]

約数ペア:

[(1, 15954820), (2, 7977410), (4, 3988705), (5, 3190964), (7, 2279260), (10, 1595482), (14, 1139630), (20, 797741), (28, 569815), (35, 455852), (70, 227926), (140, 113963)]