20942608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42223}}^1$

素因数の和:42262

約数の個数: 20

約数和(自身を含む): 41886208

約数和(自身を除く): 20943600

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42223, 84446, 168892, 337784, 675568, 1308913, 2617826, 5235652, 10471304, 20942608]

約数ペア:

[(1, 20942608), (2, 10471304), (4, 5235652), (8, 2617826), (16, 1308913), (31, 675568), (62, 337784), (124, 168892), (248, 84446), (496, 42223)]