20421612

素因数分解:

$2^2\times 3^3\times {\mathrm{173}}^1\times {\mathrm{1093}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 53299680

約数和(自身を除く): 32878068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 173, 346, 519, 692, 1038, 1093, 1557, 2076, 2186, 3114, 3279, 4372, 4671, 6228, 6558, 9342, 9837, 13116, 18684, 19674, 29511, 39348, 59022, 118044, 189089, 378178, 567267, 756356, 1134534, 1701801, 2269068, 3403602, 5105403, 6807204, 10210806, 20421612]

約数ペア:

[(1, 20421612), (2, 10210806), (3, 6807204), (4, 5105403), (6, 3403602), (9, 2269068), (12, 1701801), (18, 1134534), (27, 756356), (36, 567267), (54, 378178), (108, 189089), (173, 118044), (346, 59022), (519, 39348), (692, 29511), (1038, 19674), (1093, 18684), (1557, 13116), (2076, 9837), (2186, 9342), (3114, 6558), (3279, 6228), (4372, 4671)]