20299048

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 28730072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1063, 1364, 1736, 2126, 2387, 2728, 4252, 4774, 7441, 8504, 9548, 11693, 14882, 19096, 23386, 29764, 32953, 46772, 59528, 65906, 81851, 93544, 131812, 163702, 230671, 263624, 327404, 362483, 461342, 654808, 724966, 922684, 1449932, 1845368, 2537381, 2899864, 5074762, 10149524, 20299048]

約数ペア:

[(1, 20299048), (2, 10149524), (4, 5074762), (7, 2899864), (8, 2537381), (11, 1845368), (14, 1449932), (22, 922684), (28, 724966), (31, 654808), (44, 461342), (56, 362483), (62, 327404), (77, 263624), (88, 230671), (124, 163702), (154, 131812), (217, 93544), (248, 81851), (308, 65906), (341, 59528), (434, 46772), (616, 32953), (682, 29764), (868, 23386), (1063, 19096), (1364, 14882), (1736, 11693), (2126, 9548), (2387, 8504), (2728, 7441), (4252, 4774)]