20450199

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12647}}^1$

素因数の和:12675

約数の個数: 24

約数和(自身を含む): 34604928

約数和(自身を除く): 14154729

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12647, 37941, 88529, 139117, 265587, 417351, 619703, 973819, 1859109, 2921457, 6816733, 20450199]

約数ペア:

[(1, 20450199), (3, 6816733), (7, 2921457), (11, 1859109), (21, 973819), (33, 619703), (49, 417351), (77, 265587), (147, 139117), (231, 88529), (539, 37941), (1617, 12647)]