20355612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 50722560

約数和(自身を除く): 30366948

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1223, 1387, 2446, 2774, 3669, 4161, 4892, 5548, 7338, 8322, 14676, 16644, 23237, 46474, 69711, 89279, 92948, 139422, 178558, 267837, 278844, 357116, 535674, 1071348, 1696301, 3392602, 5088903, 6785204, 10177806, 20355612]

約数ペア:

[(1, 20355612), (2, 10177806), (3, 6785204), (4, 5088903), (6, 3392602), (12, 1696301), (19, 1071348), (38, 535674), (57, 357116), (73, 278844), (76, 267837), (114, 178558), (146, 139422), (219, 92948), (228, 89279), (292, 69711), (438, 46474), (876, 23237), (1223, 16644), (1387, 14676), (2446, 8322), (2774, 7338), (3669, 5548), (4161, 4892)]