20021012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1987}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 38408160

約数和(自身を除く): 18387148

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 1987, 2519, 3974, 5038, 7948, 10076, 21857, 43714, 87428, 455023, 910046, 1820092, 5005253, 10010506, 20021012]

約数ペア:

[(1, 20021012), (2, 10010506), (4, 5005253), (11, 1820092), (22, 910046), (44, 455023), (229, 87428), (458, 43714), (916, 21857), (1987, 10076), (2519, 7948), (3974, 5038)]