20710964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4993}}^1$

素因数の和:5075

約数の個数: 24

約数和(自身を含む): 39013128

約数和(自身を除く): 18302164

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4993, 9986, 19972, 84881, 169762, 304573, 339524, 609146, 1218292, 5177741, 10355482, 20710964]

約数ペア:

[(1, 20710964), (2, 10355482), (4, 5177741), (17, 1218292), (34, 609146), (61, 339524), (68, 304573), (122, 169762), (244, 84881), (1037, 19972), (2074, 9986), (4148, 4993)]