20955424

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5503}}^1$

素因数の和:5537

約数の個数: 48

約数和(自身を含む): 49932288

約数和(自身を除く): 28976864

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5503, 11006, 22012, 38521, 44024, 77042, 88048, 93551, 154084, 176096, 187102, 308168, 374204, 616336, 654857, 748408, 1232672, 1309714, 1496816, 2619428, 2993632, 5238856, 10477712, 20955424]

約数ペア:

[(1, 20955424), (2, 10477712), (4, 5238856), (7, 2993632), (8, 2619428), (14, 1496816), (16, 1309714), (17, 1232672), (28, 748408), (32, 654857), (34, 616336), (56, 374204), (68, 308168), (112, 187102), (119, 176096), (136, 154084), (224, 93551), (238, 88048), (272, 77042), (476, 44024), (544, 38521), (952, 22012), (1904, 11006), (3808, 5503)]