20984592

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4507}}^1$

素因数の和:4615

約数の個数: 40

約数和(自身を含む): 54781216

約数和(自身を除く): 33796624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4507, 4656, 9014, 13521, 18028, 27042, 36056, 54084, 72112, 108168, 216336, 437179, 874358, 1311537, 1748716, 2623074, 3497432, 5246148, 6994864, 10492296, 20984592]

約数ペア:

[(1, 20984592), (2, 10492296), (3, 6994864), (4, 5246148), (6, 3497432), (8, 2623074), (12, 1748716), (16, 1311537), (24, 874358), (48, 437179), (97, 216336), (194, 108168), (291, 72112), (388, 54084), (582, 36056), (776, 27042), (1164, 18028), (1552, 13521), (2328, 9014), (4507, 4656)]