20194708315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^2\times {\mathrm{571}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 26394001920

約数和(自身を除く): 6199293605

約数列:

[1, 5, 19, 47, 89, 95, 235, 445, 571, 893, 1691, 2855, 4183, 4465, 7921, 8455, 10849, 20915, 26837, 39605, 50819, 54245, 79477, 134185, 150499, 254095, 372287, 397385, 509903, 752495, 965561, 1861435, 2388493, 2549515, 4522891, 4827805, 7073453, 11942465, 22614455, 35367265, 45381367, 85934929, 212575877, 226906835, 429674645, 1062879385, 4038941663, 20194708315]

約数ペア:

[(1, 20194708315), (5, 4038941663), (19, 1062879385), (47, 429674645), (89, 226906835), (95, 212575877), (235, 85934929), (445, 45381367), (571, 35367265), (893, 22614455), (1691, 11942465), (2855, 7073453), (4183, 4827805), (4465, 4522891), (7921, 2549515), (8455, 2388493), (10849, 1861435), (20915, 965561), (26837, 752495), (39605, 509903), (50819, 397385), (54245, 372287), (79477, 254095), (134185, 150499)]