20957048

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26943112

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 53, 56, 92, 106, 161, 184, 212, 307, 322, 371, 424, 614, 644, 742, 1219, 1228, 1288, 1484, 2149, 2438, 2456, 2968, 4298, 4876, 7061, 8533, 8596, 9752, 14122, 16271, 17066, 17192, 28244, 32542, 34132, 49427, 56488, 65084, 68264, 98854, 113897, 130168, 197708, 227794, 374233, 395416, 455588, 748466, 911176, 1496932, 2619631, 2993864, 5239262, 10478524, 20957048]

約数ペア:

[(1, 20957048), (2, 10478524), (4, 5239262), (7, 2993864), (8, 2619631), (14, 1496932), (23, 911176), (28, 748466), (46, 455588), (53, 395416), (56, 374233), (92, 227794), (106, 197708), (161, 130168), (184, 113897), (212, 98854), (307, 68264), (322, 65084), (371, 56488), (424, 49427), (614, 34132), (644, 32542), (742, 28244), (1219, 17192), (1228, 17066), (1288, 16271), (1484, 14122), (2149, 9752), (2438, 8596), (2456, 8533), (2968, 7061), (4298, 4876)]