20148964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2647}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 38703168

約数和(自身を除く): 18554204

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2647, 3806, 5294, 7612, 10588, 29117, 58234, 116468, 457931, 915862, 1831724, 5037241, 10074482, 20148964]

約数ペア:

[(1, 20148964), (2, 10074482), (4, 5037241), (11, 1831724), (22, 915862), (44, 457931), (173, 116468), (346, 58234), (692, 29117), (1903, 10588), (2647, 7612), (3806, 5294)]