20884952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12491}}^1$

素因数の和:12527

約数の個数: 32

約数和(自身を含む): 44971200

約数和(自身を除く): 24086248

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12491, 24982, 49964, 99928, 137401, 237329, 274802, 474658, 549604, 949316, 1099208, 1898632, 2610619, 5221238, 10442476, 20884952]

約数ペア:

[(1, 20884952), (2, 10442476), (4, 5221238), (8, 2610619), (11, 1898632), (19, 1099208), (22, 949316), (38, 549604), (44, 474658), (76, 274802), (88, 237329), (152, 137401), (209, 99928), (418, 49964), (836, 24982), (1672, 12491)]