20115296

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 41025600

約数和(自身を除く): 20910304

約数列:

[1, 2, 4, 8, 16, 32, 73, 79, 109, 146, 158, 218, 292, 316, 436, 584, 632, 872, 1168, 1264, 1744, 2336, 2528, 3488, 5767, 7957, 8611, 11534, 15914, 17222, 23068, 31828, 34444, 46136, 63656, 68888, 92272, 127312, 137776, 184544, 254624, 275552, 628603, 1257206, 2514412, 5028824, 10057648, 20115296]

約数ペア:

[(1, 20115296), (2, 10057648), (4, 5028824), (8, 2514412), (16, 1257206), (32, 628603), (73, 275552), (79, 254624), (109, 184544), (146, 137776), (158, 127312), (218, 92272), (292, 68888), (316, 63656), (436, 46136), (584, 34444), (632, 31828), (872, 23068), (1168, 17222), (1264, 15914), (1744, 11534), (2336, 8611), (2528, 7957), (3488, 5767)]